?字UNICODE编码U+21CAA,10进制: 138410,UTF-32: 00021CAA,UTF-8: F0 A1 B2 AA。(ZI.TTcX.nET)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。天天查询ZI.TtcX.NET提供