90122022112 has 48 divisors (see below), whose sum is σ = 178785572112. Its totient is φ = 44717137920.

The previous prime is 90122022103. The next prime is 90122022143. The reversal of 90122022112 is 21122022109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3013312 + ... + 3043072.

It is an arithmetic number, because the mean of its divisors is an integer number (3724699419).

Almost surely, 2^90122022112 is an apocalyptic number.

It is an amenable number.

90122022112 is a deficient number, since it is larger than the sum of its proper divisors (88663550000).

90122022112 is a wasteful number, since it uses less digits than its factorization.

90122022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30491 (or 30483 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 90122022112 in words is "ninety billion, one hundred twenty-two million, twenty-two thousand, one hundred twelve".