How Do you Pronounce twenty one billion million thousand ninety seven in english ?

twenty one billion million thousand ninety seven Pronunciation in english(IPA) :

ˈtwɛnti wʌn ˈbɪljən ˈmɪljən ˈθaʊz(ə)nd ˈnʌɪnti ˈsɛv(ə)n