111104112440231 has 2 divisors, whose sum is σ = 111104112440232. Its totient is φ = 111104112440230.

The previous prime is 111104112440183. The next prime is 111104112440381. The reversal of 111104112440231 is 132044211401111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111104112440231 is a prime.

It is a super-2 number, since 2×111104112440231² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111104112440231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111104117440231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55552056220115 + 55552056220116.

It is an arithmetic number, because the mean of its divisors is an integer number (55552056220116).

Almost surely, 2^{111104112440231} is an apocalyptic number.

111104112440231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111104112440231 is an equidigital number, since it uses as much as digits as its factorization.

111104112440231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 111104112440231 its reverse (132044211401111), we get a palindrome (243148323841342).

The spelling of 111104112440231 in words is "one hundred eleven trillion, one hundred four billion, one hundred twelve million, four hundred forty thousand, two hundred thirty-one".