22101100211091 has 16 divisors (see below), whose sum is σ = 32263109215488. Its totient is φ = 13346250204000.

The previous prime is 22101100211053. The next prime is 22101100211093. The reversal of 22101100211091 is 19011200110122.

It is not a de Polignac number, because 22101100211091 - 2⁶ = 22101100211027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101100211093) 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, 1208890335 + ... + 1208908616.

It is an arithmetic number, because the mean of its divisors is an integer number (2016444325968).

Almost surely, 2^{22101100211091} is an apocalyptic number.

22101100211091 is a deficient number, since it is larger than the sum of its proper divisors (10162009004397).

22101100211091 is a wasteful number, since it uses less digits than its factorization.

22101100211091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417799242.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 22101100211091 in words is "twenty-two trillion, one hundred one billion, one hundred million, two hundred eleven thousand, ninety-one".