- Traditional Chinese Character(HanT):
互億
- Simplified Chinese Character(HanS):
互亿
- Bopomofo(Mandarin Phonetic Symbols): ㄏㄨˋ ㄧˋ (ㄏㄧ)
- Bopomofo(Zhuyin Keyboard Input/IME): cj4u4
- 「互億」的注音符號/「互億」怎麼發音怎麼唸: ㄏㄨˋ ㄧˋ
- (ASCII) Hanyu Pinyin: "huyi" "Hu4Yi4" "Hu4 Yi4" (HY)
- (Latin) Hànyǔ Pīnyīn: HùYì [ Hù Yì ]
- (英文翻譯) English Translation: "mutual billion"
- (西語翻譯) Traducción Español: "mil millones mutuos"
- (日文翻譯) 日本語翻訳: "相互十億"