22131102132 has 18 divisors (see below), whose sum is σ = 55942508258. Its totient is φ = 7377034032.

The previous prime is 22131102121. The next prime is 22131102157. The reversal of 22131102132 is 23120113122.

22131102132 is a `hidden beast` number, since 221 + 311 + 0 + 2 + 132 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12549824676 + 9581277456 = 112026^2 + 97884^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 307376383 + ... + 307376454.

Almost surely, 2^22131102132 is an apocalyptic number.

It is an amenable number.

22131102132 is an abundant number, since it is smaller than the sum of its proper divisors (33811406126).

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

22131102132 is a wasteful number, since it uses less digits than its factorization.

22131102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614752847 (or 614752842 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22131102132 its reverse (23120113122), we get a palindrome (45251215254).

The spelling of 22131102132 in words is "twenty-two billion, one hundred thirty-one million, one hundred two thousand, one hundred thirty-two".