111110200111231 has 2 divisors, whose sum is σ = 111110200111232. Its totient is φ = 111110200111230.

The previous prime is 111110200111181. The next prime is 111110200111277. The reversal of 111110200111231 is 132111002011111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111110200111231 - 2²³ = 111110191722623 is a prime.

It is a super-2 number, since 2×111110200111231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111110200111291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555100055615 + 55555100055616.

It is an arithmetic number, because the mean of its divisors is an integer number (55555100055616).

Almost surely, 2^{111110200111231} is an apocalyptic number.

111110200111231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110200111231 is an equidigital number, since it uses as much as digits as its factorization.

111110200111231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 111110200111231 its reverse (132111002011111), we get a palindrome (243221202122342).

The spelling of 111110200111231 in words is "one hundred eleven trillion, one hundred ten billion, two hundred million, one hundred eleven thousand, two hundred thirty-one".