990112221202 has 64 divisors (see below), whose sum is σ = 1627658323200. Its totient is φ = 448977070080.

The previous prime is 990112221193. The next prime is 990112221211. The reversal of 990112221202 is 202122211099.

It is an interprime number because it is at equal distance from previous prime (990112221193) and next prime (990112221211).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409643898 + ... + 409646314.

It is an arithmetic number, because the mean of its divisors is an integer number (25432161300).

Almost surely, 2^990112221202 is an apocalyptic number.

990112221202 is a deficient number, since it is larger than the sum of its proper divisors (637546101998).

990112221202 is a wasteful number, since it uses less digits than its factorization.

990112221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 990112221202 in words is "nine hundred ninety billion, one hundred twelve million, two hundred twenty-one thousand, two hundred two".