How Do you Pronounce twenty one billion million thousand one hundred fifty six in english ?

twenty one billion million thousand one hundred fifty six Pronunciation in english(IPA) :

ˈtwɛnti wʌn ˈbɪljən ˈmɪljən ˈθaʊz(ə)nd wʌn ˈhʌndrəd ˈfɪfti sɪks