millions and millions

the number 100,000,000.

the cardinal number 1,000,000,000 (ten hundred-millions)

a number denoting several hundred million

several billion

amounting to hundreds of millions; innumerable

the number five billion, equivalent to 5,000,000,000.

the number 500,000,000

the cardinal number 100,000,000,000

a number denoting several trillion, typically used to indicate an extremely large, uncountable quantity.

Yang Yi (974-1020), a Northern Song dynasty writer and poet

billionaire or multimillionaire

to number in the hundreds of millions

exceeding one billion; more than a billion