21100314031132 has 12 divisors (see below), whose sum is σ = 42200628062320. Its totient is φ = 9042991727616.

The previous prime is 21100314031129. The next prime is 21100314031157. The reversal of 21100314031132 is 23113041300112.

21100314031132 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376791321957 + ... + 376791322012.

Almost surely, 2^{21100314031132} is an apocalyptic number.

It is an amenable number.

21100314031132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21100314031132 is a wasteful number, since it uses less digits than its factorization.

21100314031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753582643980 (or 753582643978 counting only the distinct ones).

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

Adding to 21100314031132 its reverse (23113041300112), we get a palindrome (44213355331244).

The spelling of 21100314031132 in words is "twenty-one trillion, one hundred billion, three hundred fourteen million, thirty-one thousand, one hundred thirty-two".