21202012002010 has 64 divisors (see below), whose sum is σ = 44800421875200. Its totient is φ = 7221120278400.

The previous prime is 21202012001999. The next prime is 21202012002029. The reversal of 21202012002010 is 1020021020212.

It is a happy number.

It is an unprimeable number.

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, 19950099 + ... + 20985958.

It is an arithmetic number, because the mean of its divisors is an integer number (700006591800).

Almost surely, 2^{21202012002010} is an apocalyptic number.

21202012002010 is an abundant number, since it is smaller than the sum of its proper divisors (23598409873190).

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

21202012002010 is a wasteful number, since it uses less digits than its factorization.

21202012002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40936236 (or 40936222 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21202012002010 its reverse (1020021020212), we get a palindrome (22222033022222).

The spelling of 21202012002010 in words is "twenty-one trillion, two hundred two billion, twelve million, two thousand, ten".