21313002013110 has 64 divisors (see below), whose sum is σ = 56835501278400. Its totient is φ = 5683384279296.

The previous prime is 21313002013109. The next prime is 21313002013117. The reversal of 21313002013110 is 1131020031312.

21313002013110 is a `hidden beast` number, since 2 + 1 + 31 + 300 + 20 + 1 + 311 + 0 = 666.

It is a super-2 number, since 2×21313002013110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313002013117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19221762 + ... + 20300298.

It is an arithmetic number, because the mean of its divisors is an integer number (888054707475).

Almost surely, 2^{21313002013110} is an apocalyptic number.

21313002013110 is an abundant number, since it is smaller than the sum of its proper divisors (35522499265290).

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

21313002013110 is a wasteful number, since it uses less digits than its factorization.

21313002013110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151742 (or 1151736 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21313002013110 its reverse (1131020031312), we get a palindrome (22444022044422).

The spelling of 21313002013110 in words is "twenty-one trillion, three hundred thirteen billion, two million, thirteen thousand, one hundred ten".