90012202101 has 64 divisors (see below), whose sum is σ = 136967362560. Its totient is φ = 58406832000.

The previous prime is 90012202087. The next prime is 90012202117. The reversal of 90012202101 is 10120221009.

It is not a de Polignac number, because 90012202101 - 2⁷ = 90012201973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90012202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62205360 + ... + 62206806.

It is an arithmetic number, because the mean of its divisors is an integer number (2140115040).

Almost surely, 2^90012202101 is an apocalyptic number.

It is an amenable number.

90012202101 is a deficient number, since it is larger than the sum of its proper divisors (46955160459).

90012202101 is a wasteful number, since it uses less digits than its factorization.

90012202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 90012202101 in words is "ninety billion, twelve million, two hundred two thousand, one hundred one".