111112442331 has 16 divisors (see below), whose sum is σ = 161624519040. Its totient is φ = 67338198720.

The previous prime is 111112442327. The next prime is 111112442423. The reversal of 111112442331 is 133244211111.

It is not a de Polignac number, because 111112442331 - 2² = 111112442327 is a prime.

It is a super-2 number, since 2×111112442331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111112442321) 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, 1059351 + ... + 1159503.

It is an arithmetic number, because the mean of its divisors is an integer number (10101532440).

Almost surely, 2^111112442331 is an apocalyptic number.

111112442331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111112442331 is a deficient number, since it is larger than the sum of its proper divisors (50512076709).

111112442331 is a wasteful number, since it uses less digits than its factorization.

111112442331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133786.

The product of its digits is 576, while the sum is 24.

Adding to 111112442331 its reverse (133244211111), we get a palindrome (244356653442).

The spelling of 111112442331 in words is "one hundred eleven billion, one hundred twelve million, four hundred forty-two thousand, three hundred thirty-one".