112122311231 has 12 divisors (see below), whose sum is σ = 133953313872. Its totient is φ = 91926363936.

The previous prime is 112122311221. The next prime is 112122311237. The reversal of 112122311231 is 132113221211.

It is a de Polignac number, because none of the positive numbers 2^k-112122311231 is a prime.

It is a super-2 number, since 2×112122311231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122311237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15135686 + ... + 15143091.

It is an arithmetic number, because the mean of its divisors is an integer number (11162776156).

Almost surely, 2^112122311231 is an apocalyptic number.

112122311231 is a deficient number, since it is larger than the sum of its proper divisors (21831002641).

112122311231 is an equidigital number, since it uses as much as digits as its factorization.

112122311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30278830 (or 30278807 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 112122311231 its reverse (132113221211), we get a palindrome (244235532442).

The spelling of 112122311231 in words is "one hundred twelve billion, one hundred twenty-two million, three hundred eleven thousand, two hundred thirty-one".