22101655253161 has 32 divisors (see below), whose sum is σ = 25943103543168. Its totient is φ = 18606343741440.

The previous prime is 22101655253143. The next prime is 22101655253173. The reversal of 22101655253161 is 16135255610122.

It is not a de Polignac number, because 22101655253161 - 2⁵ = 22101655253129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101655253101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 922335 + ... + 6712228.

It is an arithmetic number, because the mean of its divisors is an integer number (810721985724).

Almost surely, 2^{22101655253161} is an apocalyptic number.

It is an amenable number.

22101655253161 is a deficient number, since it is larger than the sum of its proper divisors (3841448290007).

22101655253161 is a wasteful number, since it uses less digits than its factorization.

22101655253161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7634841.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 22101655253161 in words is "twenty-two trillion, one hundred one billion, six hundred fifty-five million, two hundred fifty-three thousand, one hundred sixty-one".