1112112101231 has 2 divisors, whose sum is σ = 1112112101232. Its totient is φ = 1112112101230.

The previous prime is 1112112101209. The next prime is 1112112101237. The reversal of 1112112101231 is 1321012112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112112101231 - 2³⁸ = 837234194287 is a prime.

It is a super-2 number, since 2×1112112101231² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112112101237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556056050615 + 556056050616.

It is an arithmetic number, because the mean of its divisors is an integer number (556056050616).

Almost surely, 2^{1112112101231} is an apocalyptic number.

1112112101231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112112101231 is an equidigital number, since it uses as much as digits as its factorization.

1112112101231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1112112101231 its reverse (1321012112111), we get a palindrome (2433124213342).

The spelling of 1112112101231 in words is "one trillion, one hundred twelve billion, one hundred twelve million, one hundred one thousand, two hundred thirty-one".