22131101013102 has 24 divisors (see below), whose sum is σ = 47952615058920. Its totient is φ = 7376741948400.

The previous prime is 22131101013023. The next prime is 22131101013139. The reversal of 22131101013102 is 20131010113122.

22131101013102 is a `hidden beast` number, since 221 + 31 + 1 + 0 + 101 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23842152 + ... + 24752987.

It is an arithmetic number, because the mean of its divisors is an integer number (1998025627455).

Almost surely, 2^{22131101013102} is an apocalyptic number.

22131101013102 is an abundant number, since it is smaller than the sum of its proper divisors (25821514045818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22131101013102 is a wasteful number, since it uses less digits than its factorization.

22131101013102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48620448 (or 48620445 counting only the distinct ones).

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

Adding to 22131101013102 its reverse (20131010113122), we get a palindrome (42262111126224).

The spelling of 22131101013102 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred one million, thirteen thousand, one hundred two".