111000112231 has 32 divisors (see below), whose sum is σ = 116226418176. Its totient is φ = 105945840000.

The previous prime is 111000112219. The next prime is 111000112253. The reversal of 111000112231 is 132211000111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111000112231 - 2⁵ = 111000112199 is a prime.

It is a super-2 number, since 2×111000112231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000112631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80844261 + ... + 80845633.

It is an arithmetic number, because the mean of its divisors is an integer number (3632075568).

Almost surely, 2^111000112231 is an apocalyptic number.

111000112231 is a deficient number, since it is larger than the sum of its proper divisors (5226305945).

111000112231 is a wasteful number, since it uses less digits than its factorization.

111000112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111000112231 its reverse (132211000111), we get a palindrome (243211112342).

The spelling of 111000112231 in words is "one hundred eleven billion, one hundred twelve thousand, two hundred thirty-one".