21010002231132 has 36 divisors (see below), whose sum is σ = 53490693143160. Its totient is φ = 6952950376992.

The previous prime is 21010002231047. The next prime is 21010002231137. The reversal of 21010002231132 is 23113220001012.

21010002231132 is a `hidden beast` number, since 210 + 100 + 0 + 223 + 1 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010002231137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2099315763 + ... + 2099325770.

It is an arithmetic number, because the mean of its divisors is an integer number (1485852587310).

Almost surely, 2^{21010002231132} is an apocalyptic number.

It is an amenable number.

21010002231132 is an abundant number, since it is smaller than the sum of its proper divisors (32480690912028).

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

21010002231132 is a wasteful number, since it uses less digits than its factorization.

21010002231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198641682 (or 4198641677 counting only the distinct ones).

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

Adding to 21010002231132 its reverse (23113220001012), we get a palindrome (44123222232144).

The spelling of 21010002231132 in words is "twenty-one trillion, ten billion, two million, two hundred thirty-one thousand, one hundred thirty-two".