21033113202 has 24 divisors (see below), whose sum is σ = 47970258960. Its totient is φ = 6642035640.

The previous prime is 21033113161. The next prime is 21033113207. The reversal of 21033113202 is 20231133012.

21033113202 is a `hidden beast` number, since 2 + 10 + 331 + 1 + 320 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (21033113207) 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, 30749824 + ... + 30750507.

It is an arithmetic number, because the mean of its divisors is an integer number (1998760790).

Almost surely, 2^21033113202 is an apocalyptic number.

21033113202 is an abundant number, since it is smaller than the sum of its proper divisors (26937145758).

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

21033113202 is a wasteful number, since it uses less digits than its factorization.

21033113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61500358 (or 61500355 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21033113202 its reverse (20231133012), we get a palindrome (41264246214).

The spelling of 21033113202 in words is "twenty-one billion, thirty-three million, one hundred thirteen thousand, two hundred two".