90221211201 has 16 divisors (see below), whose sum is σ = 131235883200. Its totient is φ = 54677425920.

The previous prime is 90221211193. The next prime is 90221211239. The reversal of 90221211201 is 10211212209.

It is not a de Polignac number, because 90221211201 - 2³ = 90221211193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90221211601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587525 + ... + 1643373.

It is an arithmetic number, because the mean of its divisors is an integer number (8202242700).

Almost surely, 2^90221211201 is an apocalyptic number.

It is an amenable number.

90221211201 is a deficient number, since it is larger than the sum of its proper divisors (41014671999).

90221211201 is a wasteful number, since it uses less digits than its factorization.

90221211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104816.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 90221211201 in words is "ninety billion, two hundred twenty-one million, two hundred eleven thousand, two hundred one".