22101243132 has 24 divisors (see below), whose sum is σ = 51605148672. Its totient is φ = 7361998000.

The previous prime is 22101243127. The next prime is 22101243133. The reversal of 22101243132 is 23134210122.

It is a junction number, because it is equal to n+sod(n) for n = 22101243099 and 22101243108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101243133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617244 + ... + 652067.

It is an arithmetic number, because the mean of its divisors is an integer number (2150214528).

Almost surely, 2^22101243132 is an apocalyptic number.

It is an amenable number.

22101243132 is an abundant number, since it is smaller than the sum of its proper divisors (29503905540).

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

22101243132 is a wasteful number, since it uses less digits than its factorization.

22101243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270769 (or 1270767 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22101243132 its reverse (23134210122), we get a palindrome (45235453254).

The spelling of 22101243132 in words is "twenty-two billion, one hundred one million, two hundred forty-three thousand, one hundred thirty-two".