How Do you Pronounce two billion nine hundred ninety nine million nine hundred ninety nine thousand twenty one in english ?

two billion nine hundred ninety nine million nine hundred ninety nine thousand twenty one Pronunciation in english(IPA) :

tuː ˈbɪljən nʌɪn ˈhʌndrəd ˈnʌɪnti nʌɪn ˈmɪljən nʌɪn ˈhʌndrəd ˈnʌɪnti nʌɪn ˈθaʊz(ə)nd ˈtwɛnti wʌn