101221009984 has 28 divisors (see below), whose sum is σ = 200906134128. Its totient is φ = 50598992000.

The previous prime is 101221009931. The next prime is 101221010021. The reversal of 101221009984 is 489900122101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107199 + ... + 462529.

It is an arithmetic number, because the mean of its divisors is an integer number (7175219076).

Almost surely, 2^101221009984 is an apocalyptic number.

It is an amenable number.

101221009984 is a deficient number, since it is larger than the sum of its proper divisors (99685124144).

101221009984 is an equidigital number, since it uses as much as digits as its factorization.

101221009984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359794 (or 359784 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 101221009984 in words is "one hundred one billion, two hundred twenty-one million, nine thousand, nine hundred eighty-four".