?字UNICODE编码U+222A1,10进制: 139937,UTF-32: 000222A1,UTF-8: F0 A2 8A A1。(zi.tTcx.nET)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。(TTCX.neT)