21132222202002 has 32 divisors (see below), whose sum is σ = 44518807756800. Its totient is φ = 6668845490448.

The previous prime is 21132222201977. The next prime is 21132222202009. The reversal of 21132222202002 is 20020222223112.

It is a self number, because there is not a number n which added to its sum of digits gives 21132222202002.

It is not an unprimeable number, because it can be changed into a prime (21132222202009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62160802 + ... + 62499837.

It is an arithmetic number, because the mean of its divisors is an integer number (1391212742400).

Almost surely, 2^{21132222202002} is an apocalyptic number.

21132222202002 is an abundant number, since it is smaller than the sum of its proper divisors (23386585554798).

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

21132222202002 is a wasteful number, since it uses less digits than its factorization.

21132222202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124662150.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21132222202002 its reverse (20020222223112), we get a palindrome (41152444425114).

The spelling of 21132222202002 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred twenty-two million, two hundred two thousand, two".