90112100121112 has 8 divisors (see below), whose sum is σ = 168960187727100. Its totient is φ = 45056050060552.

The previous prime is 90112100121097. The next prime is 90112100121139. The reversal of 90112100121112 is 21112100121109.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5632006257562 + ... + 5632006257577.

Almost surely, 2^{90112100121112} is an apocalyptic number.

It is an amenable number.

90112100121112 is a deficient number, since it is larger than the sum of its proper divisors (78848087605988).

90112100121112 is a wasteful number, since it uses less digits than its factorization.

90112100121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264012515145 (or 11264012515141 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 90112100121112 in words is "ninety trillion, one hundred twelve billion, one hundred million, one hundred twenty-one thousand, one hundred twelve".