21000210231132 has 96 divisors (see below), whose sum is σ = 59395918982400. Its totient is φ = 6363551678400.

The previous prime is 21000210231113. The next prime is 21000210231199. The reversal of 21000210231132 is 23113201200012.

21000210231132 is a `hidden beast` number, since 210 + 0 + 0 + 210 + 231 + 13 + 2 = 666.

21000210231132 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×21000210231132² (a number of 27 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57577582 + ... + 57941162.

It is an arithmetic number, because the mean of its divisors is an integer number (618707489400).

Almost surely, 2^{21000210231132} is an apocalyptic number.

21000210231132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21000210231132 is an abundant number, since it is smaller than the sum of its proper divisors (38395708751268).

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

21000210231132 is a wasteful number, since it uses less digits than its factorization.

21000210231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412224 (or 412216 counting only the distinct ones).

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

Adding to 21000210231132 its reverse (23113201200012), we get a palindrome (44113411431144).

The spelling of 21000210231132 in words is "twenty-one trillion, two hundred ten million, two hundred thirty-one thousand, one hundred thirty-two".