21112232400202 has 16 divisors (see below), whose sum is σ = 31673624032512. Its totient is φ = 10554357877920.

The previous prime is 21112232400191. The next prime is 21112232400223. The reversal of 21112232400202 is 20200423221112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514773877 + ... + 514814887.

It is an arithmetic number, because the mean of its divisors is an integer number (1979601502032).

Almost surely, 2^{21112232400202} is an apocalyptic number.

21112232400202 is a deficient number, since it is larger than the sum of its proper divisors (10561391632310).

21112232400202 is a wasteful number, since it uses less digits than its factorization.

21112232400202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77613.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21112232400202 its reverse (20200423221112), we get a palindrome (41312655621314).

The spelling of 21112232400202 in words is "twenty-one trillion, one hundred twelve billion, two hundred thirty-two million, four hundred thousand, two hundred two".