112131122231 has 16 divisors (see below), whose sum is σ = 116192237568. Its totient is φ = 108142020000.

The previous prime is 112131122221. The next prime is 112131122249. The reversal of 112131122231 is 132221131211.

It is a cyclic number.

It is not a de Polignac number, because 112131122231 - 2⁶ = 112131122167 is a prime.

It is a super-2 number, since 2×112131122231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558706 + ... + 1629056.

It is an arithmetic number, because the mean of its divisors is an integer number (7262014848).

Almost surely, 2^112131122231 is an apocalyptic number.

112131122231 is a deficient number, since it is larger than the sum of its proper divisors (4061115337).

112131122231 is a wasteful number, since it uses less digits than its factorization.

112131122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70862.

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

Adding to 112131122231 its reverse (132221131211), we get a palindrome (244352253442).

The spelling of 112131122231 in words is "one hundred twelve billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty-one".