21013332223110 has 64 divisors (see below), whose sum is σ = 51496006813632. Its totient is φ = 5486452586496.

The previous prime is 21013332223097. The next prime is 21013332223153. The reversal of 21013332223110 is 1132223331012.

It is a super-2 number, since 2×21013332223110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 34718689 + ... + 35318748.

It is an arithmetic number, because the mean of its divisors is an integer number (804625106463).

Almost surely, 2^{21013332223110} is an apocalyptic number.

21013332223110 is an abundant number, since it is smaller than the sum of its proper divisors (30482674590522).

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

21013332223110 is a wasteful number, since it uses less digits than its factorization.

21013332223110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70037657.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21013332223110 its reverse (1132223331012), we get a palindrome (22145555554122).

The spelling of 21013332223110 in words is "twenty-one trillion, thirteen billion, three hundred thirty-two million, two hundred twenty-three thousand, one hundred ten".