21113032304010 has 64 divisors (see below), whose sum is σ = 52421896742400. Its totient is φ = 5435653396992.

The previous prime is 21113032304009. The next prime is 21113032304029. The reversal of 21113032304010 is 1040323031112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13057926 + ... + 14585454.

It is an arithmetic number, because the mean of its divisors is an integer number (819092136600).

Almost surely, 2^{21113032304010} is an apocalyptic number.

21113032304010 is an abundant number, since it is smaller than the sum of its proper divisors (31308864438390).

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

21113032304010 is a wasteful number, since it uses less digits than its factorization.

21113032304010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543455.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21113032304010 its reverse (1040323031112), we get a palindrome (22153355335122).

The spelling of 21113032304010 in words is "twenty-one trillion, one hundred thirteen billion, thirty-two million, three hundred four thousand, ten".