21223100023132 has 18 divisors (see below), whose sum is σ = 43204167904632. Its totient is φ = 9095614295544.

The previous prime is 21223100023117. The next prime is 21223100023249. The reversal of 21223100023132 is 23132000132212.

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, 54140561088 + ... + 54140561479.

Almost surely, 2^{21223100023132} is an apocalyptic number.

It is an amenable number.

21223100023132 is an abundant number, since it is smaller than the sum of its proper divisors (21981067881500).

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

21223100023132 is a wasteful number, since it uses less digits than its factorization.

21223100023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108281122585 (or 108281122576 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21223100023132 its reverse (23132000132212), we get a palindrome (44355100155344).

The spelling of 21223100023132 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred million, twenty-three thousand, one hundred thirty-two".