This character is a Other Symbol and is mainly used in the Han script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. U+2EE1 offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
Radical 185 or radical head (首部) meaning "head" is one of the 11 Kangxi radicals (214 radicals in total) composed of 9 strokes.
In the Kangxi Dictionary, there are 20 characters (out of 49,030) to be found under this radical.
首 is also the 187th indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China.
Representations
System
Representation (click value to copy)
Nº
12001
UTF-8
E2 BB A1
UTF-16
2E E1
UTF-32
00 00 2E E1
URL-Quoted
%E2%BB%A1
HTML hex reference
⻡
Wrong windows-1252 Mojibake
⻡
Encoding: GB18030 (hex bytes)
81 39 88 31
RFC 5137
\u'2EE1'
Bash and Zsh inside echo -e
\u2EE1
C and C++
\u2EE1
C#
\u2EE1
CSS
\002EE1
Excel
=UNICHAR(12001)
Go
\u2EE1
JavaScript
\u2EE1
Modern JavaScript since ES6
\u{2ee1}
JSON
\u2EE1
Java
\u2EE1
Lua
\u{2EE1}
Matlab
char(12001)
Perl
"\x{2EE1}"
PHP
\u{2ee1}
PostgreSQL
U&'\2EE1'
PowerShell
`u{2EE1}
Python
\u2EE1
Ruby
\u{2ee1}
Rust
\u{2ee1}
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