Code point
U+2A1B
Glyph appearance depends on your fonts.
U+2A1B
SmU+2A1B INTEGRAL WITH OVERBAR is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Supplemental Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2A1B
10779
⨛
⨛
E2 A8 9B
2A1B
00002A1B
%E2%A8%9B
\u2A1B
\u2A1B
\u2A1B
\2A1B