9990221303112 has 32 divisors (see below), whose sum is σ = 24978632964480. Its totient is φ = 3329663140160.

The previous prime is 9990221303003. The next prime is 9990221303171. The reversal of 9990221303112 is 2113031220999.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25465503 + ... + 25854830.

It is an arithmetic number, because the mean of its divisors is an integer number (780582280140).

Almost surely, 2^{9990221303112} is an apocalyptic number.

It is an amenable number.

9990221303112 is an abundant number, since it is smaller than the sum of its proper divisors (14988411661368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9990221303112 is a wasteful number, since it uses less digits than its factorization.

9990221303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51328453 (or 51328449 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The spelling of 9990221303112 in words is "nine trillion, nine hundred ninety billion, two hundred twenty-one million, three hundred three thousand, one hundred twelve".