21113343626316 has 48 divisors (see below), whose sum is σ = 50541002972544. Its totient is φ = 6857742220416.

The previous prime is 21113343626251. The next prime is 21113343626327. The reversal of 21113343626316 is 61362634331112.

It is a super-2 number, since 2×21113343626316² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145120006 + ... + 145265421.

It is an arithmetic number, because the mean of its divisors is an integer number (1052937561928).

Almost surely, 2^{21113343626316} is an apocalyptic number.

It is an amenable number.

21113343626316 is an abundant number, since it is smaller than the sum of its proper divisors (29427659346228).

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

21113343626316 is a wasteful number, since it uses less digits than its factorization.

21113343626316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290385590 (or 290385588 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

Adding to 21113343626316 its reverse (61362634331112), we get a palindrome (82475977957428).

The spelling of 21113343626316 in words is "twenty-one trillion, one hundred thirteen billion, three hundred forty-three million, six hundred twenty-six thousand, three hundred sixteen".