21132122111113 has 16 divisors (see below), whose sum is σ = 23590080460800. Its totient is φ = 18798345195840.

The previous prime is 21132122111081. The next prime is 21132122111117. The reversal of 21132122111113 is 31111122123112.

It is a cyclic number.

It is not a de Polignac number, because 21132122111113 - 2⁵ = 21132122111081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21132122111117) 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, 109604578 + ... + 109797211.

It is an arithmetic number, because the mean of its divisors is an integer number (1474380028800).

Almost surely, 2^{21132122111113} is an apocalyptic number.

It is an amenable number.

21132122111113 is a deficient number, since it is larger than the sum of its proper divisors (2457958349687).

21132122111113 is a wasteful number, since it uses less digits than its factorization.

21132122111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219402072.

The product of its digits is 144, while the sum is 22.

Adding to 21132122111113 its reverse (31111122123112), we get a palindrome (52243244234225).

The spelling of 21132122111113 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred thirteen".