21202000112010 has 64 divisors (see below), whose sum is σ = 50904263168640. Its totient is φ = 5651704638720.

The previous prime is 21202000111979. The next prime is 21202000112011. The reversal of 21202000112010 is 1021100020212.

It is not an unprimeable number, because it can be changed into a prime (21202000112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1255811029 + ... + 1255827911.

It is an arithmetic number, because the mean of its divisors is an integer number (795379112010).

Almost surely, 2^{21202000112010} is an apocalyptic number.

21202000112010 is an abundant number, since it is smaller than the sum of its proper divisors (29702263056630).

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

21202000112010 is a wasteful number, since it uses less digits than its factorization.

21202000112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30423.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21202000112010 its reverse (1021100020212), we get a palindrome (22223100132222).

The spelling of 21202000112010 in words is "twenty-one trillion, two hundred two billion, one hundred twelve thousand, ten".