22101131203231 has 32 divisors (see below), whose sum is σ = 23646685752000. Its totient is φ = 20596820428800.

The previous prime is 22101131203219. The next prime is 22101131203243. The reversal of 22101131203231 is 13230213110122.

It is an interprime number because it is at equal distance from previous prime (22101131203219) and next prime (22101131203243).

It is a cyclic number.

It is not a de Polignac number, because 22101131203231 - 2¹¹ = 22101131201183 is a prime.

It is a super-2 number, since 2×22101131203231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101131203211) 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, 408489081 + ... + 408543181.

It is an arithmetic number, because the mean of its divisors is an integer number (738958929750).

Almost surely, 2^{22101131203231} is an apocalyptic number.

22101131203231 is a deficient number, since it is larger than the sum of its proper divisors (1545554548769).

22101131203231 is a wasteful number, since it uses less digits than its factorization.

22101131203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55659.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 22101131203231 its reverse (13230213110122), we get a palindrome (35331344313353).

The spelling of 22101131203231 in words is "twenty-two trillion, one hundred one billion, one hundred thirty-one million, two hundred three thousand, two hundred thirty-one".