90021112002112 has 28 divisors (see below), whose sum is σ = 189143623197900. Its totient is φ = 42362876235776.

The previous prime is 90021112002103. The next prime is 90021112002251. The reversal of 90021112002112 is 21120021112009.

It can be written as a sum of positive squares in 2 ways, for example, as 55152842838016 + 34868269164096 = 7426496^2 + 5904936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41369995237 + ... + 41369997412.

It is an arithmetic number, because the mean of its divisors is an integer number (6755129399925).

Almost surely, 2^{90021112002112} is an apocalyptic number.

It is an amenable number.

90021112002112 is an abundant number, since it is smaller than the sum of its proper divisors (99122511195788).

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

90021112002112 is a wasteful number, since it uses less digits than its factorization.

90021112002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82739992678 (or 82739992668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 90021112002112 in words is "ninety trillion, twenty-one billion, one hundred twelve million, two thousand, one hundred twelve".