112111231 has 2 divisors, whose sum is σ = 112111232. Its totient is φ = 112111230.

The previous prime is 112111213. The next prime is 112111247. The reversal of 112111231 is 132111211.

It is a happy number.

Together with previous prime (112111213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112111231 - 2¹³ = 112103039 is a prime.

It is a super-2 number, since 2×112111231² = 25137856232670722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055615 + 56055616.

It is an arithmetic number, because the mean of its divisors is an integer number (56055616).

Almost surely, 2^112111231 is an apocalyptic number.

112111231 is a deficient number, since it is larger than the sum of its proper divisors (1).

112111231 is an equidigital number, since it uses as much as digits as its factorization.

112111231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 112111231 is about 10588.2591109209. The cubic root of 112111231 is about 482.1879729754.

Adding to 112111231 its reverse (132111211), we get a palindrome (244222442).

The spelling of 112111231 in words is "one hundred twelve million, one hundred eleven thousand, two hundred thirty-one".