22100110989 has 32 divisors (see below), whose sum is σ = 33217257984. Its totient is φ = 12951938880.

The previous prime is 22100110943. The next prime is 22100111021. The reversal of 22100110989 is 98901100122.

It is not a de Polignac number, because 22100110989 - 2²⁰ = 22099062413 is a prime.

It is a super-2 number, since 2×22100110989² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100112989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143502 + ... + 254544.

It is an arithmetic number, because the mean of its divisors is an integer number (1038039312).

Almost surely, 2^22100110989 is an apocalyptic number.

It is an amenable number.

22100110989 is a deficient number, since it is larger than the sum of its proper divisors (11117146995).

22100110989 is a wasteful number, since it uses less digits than its factorization.

22100110989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111257.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 22100110989 in words is "twenty-two billion, one hundred million, one hundred ten thousand, nine hundred eighty-nine".