21021202113132 has 96 divisors (see below), whose sum is σ = 54668831293440. Its totient is φ = 6243071351040.

The previous prime is 21021202113097. The next prime is 21021202113143. The reversal of 21021202113132 is 23131120212012.

It is a super-2 number, since 2×21021202113132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21021202113099 and 21021202113108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3822507 + ... + 7526882.

It is an arithmetic number, because the mean of its divisors is an integer number (569466992640).

Almost surely, 2^{21021202113132} is an apocalyptic number.

It is an amenable number.

21021202113132 is an abundant number, since it is smaller than the sum of its proper divisors (33647629180308).

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

21021202113132 is a wasteful number, since it uses less digits than its factorization.

21021202113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349823 (or 11349821 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21021202113132 its reverse (23131120212012), we get a palindrome (44152322325144).

The spelling of 21021202113132 in words is "twenty-one trillion, twenty-one billion, two hundred two million, one hundred thirteen thousand, one hundred thirty-two".