111013311321331 has 4 divisors (see below), whose sum is σ = 111013474482664. Its totient is φ = 111013148160000.

The previous prime is 111013311321313. The next prime is 111013311321347. The reversal of 111013311321331 is 133123113310111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111013311321331 - 2²⁷ = 111013177103603 is a prime.

It is a super-2 number, since 2×111013311321331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111013311321296 and 111013311321305.

It is not an unprimeable number, because it can be changed into a prime (111013311321301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80555790 + ... + 81922291.

It is an arithmetic number, because the mean of its divisors is an integer number (27753368620666).

Almost surely, 2^{111013311321331} is an apocalyptic number.

111013311321331 is a deficient number, since it is larger than the sum of its proper divisors (163161333).

111013311321331 is an equidigital number, since it uses as much as digits as its factorization.

111013311321331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163161332.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 111013311321331 its reverse (133123113310111), we get a palindrome (244136424631442).

The spelling of 111013311321331 in words is "one hundred eleven trillion, thirteen billion, three hundred eleven million, three hundred twenty-one thousand, three hundred thirty-one".