22101131132 has 12 divisors (see below), whose sum is σ = 40712610120. Its totient is φ = 10468956816.

The previous prime is 22101131131. The next prime is 22101131141. The reversal of 22101131132 is 23113110122.

It is a self number, because there is not a number n which added to its sum of digits gives 22101131132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101131131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145402103 + ... + 145402254.

It is an arithmetic number, because the mean of its divisors is an integer number (3392717510).

Almost surely, 2^22101131132 is an apocalyptic number.

It is an amenable number.

22101131132 is a deficient number, since it is larger than the sum of its proper divisors (18611478988).

22101131132 is a wasteful number, since it uses less digits than its factorization.

22101131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290804380 (or 290804378 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22101131132 its reverse (23113110122), we get a palindrome (45214241254).

The spelling of 22101131132 in words is "twenty-two billion, one hundred one million, one hundred thirty-one thousand, one hundred thirty-two".