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

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

tuː ˈhʌndrəd ˈfɪfti ˈmɪljən ˈθaʊz(ə)nd wʌn ˈhʌndrəd ˈtwɛnti wʌn