90011122012112 has 40 divisors (see below), whose sum is σ = 199939080925056. Its totient is φ = 38454503665536.

The previous prime is 90011122012081. The next prime is 90011122012153. The reversal of 90011122012112 is 21121022111009.

It is a happy number.

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, 1267583948 + ... + 1267654955.

Almost surely, 2^{90011122012112} is an apocalyptic number.

It is an amenable number.

90011122012112 is an abundant number, since it is smaller than the sum of its proper divisors (109927958912944).

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

90011122012112 is a wasteful number, since it uses less digits than its factorization.

90011122012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535239235 (or 2535239229 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 90011122012112 in words is "ninety trillion, eleven billion, one hundred twenty-two million, twelve thousand, one hundred twelve".