111110110231 has 2 divisors, whose sum is σ = 111110110232. Its totient is φ = 111110110230.

The previous prime is 111110110217. The next prime is 111110110259. The reversal of 111110110231 is 132011011111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111110110231 - 2²³ = 111101721623 is a prime.

It is a super-2 number, since 2×111110110231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111110110931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555055115 + 55555055116.

It is an arithmetic number, because the mean of its divisors is an integer number (55555055116).

Almost surely, 2^111110110231 is an apocalyptic number.

111110110231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110110231 is an equidigital number, since it uses as much as digits as its factorization.

111110110231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 111110110231 its reverse (132011011111), we get a palindrome (243121121342).

The spelling of 111110110231 in words is "one hundred eleven billion, one hundred ten million, one hundred ten thousand, two hundred thirty-one".