21311413322010 has 96 divisors (see below), whose sum is σ = 59571353644992. Its totient is φ = 4865173528320.

The previous prime is 21311413322009. The next prime is 21311413322083. The reversal of 21311413322010 is 1022331411312.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7745907 + ... + 10130246.

It is an arithmetic number, because the mean of its divisors is an integer number (620534933802).

Almost surely, 2^{21311413322010} is an apocalyptic number.

21311413322010 is an abundant number, since it is smaller than the sum of its proper divisors (38259940322982).

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

21311413322010 is a wasteful number, since it uses less digits than its factorization.

21311413322010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17876988 (or 17876981 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21311413322010 its reverse (1022331411312), we get a palindrome (22333744733322).

The spelling of 21311413322010 in words is "twenty-one trillion, three hundred eleven billion, four hundred thirteen million, three hundred twenty-two thousand, ten".