113321211321 has 16 divisors (see below), whose sum is σ = 153412779584. Its totient is φ = 74389480704.

The previous prime is 113321211271. The next prime is 113321211331. The reversal of 113321211321 is 123112123311.

It is not a de Polignac number, because 113321211321 - 2⁷ = 113321211193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113321211331) 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, 383085 + ... + 611061.

It is an arithmetic number, because the mean of its divisors is an integer number (9588298724).

Almost surely, 2^113321211321 is an apocalyptic number.

It is an amenable number.

113321211321 is a deficient number, since it is larger than the sum of its proper divisors (40091568263).

113321211321 is a wasteful number, since it uses less digits than its factorization.

113321211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230520.

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

Adding to 113321211321 its reverse (123112123311), we get a palindrome (236433334632).

The spelling of 113321211321 in words is "one hundred thirteen billion, three hundred twenty-one million, two hundred eleven thousand, three hundred twenty-one".