Il numero 123421021, centoventitré milioni quattrocentoventunomilaventuno in Italiano, in Inglese si dice one hundred twenty-three million four hundred twenty-one thousand twenty-one.
Il numero ordinale 123421021° in inglese si dice one hundred twenty-three million four hundred twenty-one thousand twenty-first.
123421012: one hundred twenty-three million four hundred twenty-one thousand twelve
123421013: one hundred twenty-three million four hundred twenty-one thousand thirteen
123421014: one hundred twenty-three million four hundred twenty-one thousand fourteen
123421015: one hundred twenty-three million four hundred twenty-one thousand fifteen
123421016: one hundred twenty-three million four hundred twenty-one thousand sixteen
123421017: one hundred twenty-three million four hundred twenty-one thousand seventeen
123421018: one hundred twenty-three million four hundred twenty-one thousand eighteen
123421019: one hundred twenty-three million four hundred twenty-one thousand nineteen
123421020: one hundred twenty-three million four hundred twenty-one thousand twenty