21313112301102 has 32 divisors (see below), whose sum is σ = 42715796688000. Its totient is φ = 7089444853920.

The previous prime is 21313112301031. The next prime is 21313112301109. The reversal of 21313112301102 is 20110321131312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313112301109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30955777 + ... + 31636787.

It is an arithmetic number, because the mean of its divisors is an integer number (1334868646500).

Almost surely, 2^{21313112301102} is an apocalyptic number.

21313112301102 is an abundant number, since it is smaller than the sum of its proper divisors (21402684386898).

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

21313112301102 is a wasteful number, since it uses less digits than its factorization.

21313112301102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691968.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21313112301102 its reverse (20110321131312), we get a palindrome (41423433432414).

The spelling of 21313112301102 in words is "twenty-one trillion, three hundred thirteen billion, one hundred twelve million, three hundred one thousand, one hundred two".