112103121231 has 24 divisors (see below), whose sum is σ = 168593128704. Its totient is φ = 74437623000.

The previous prime is 112103121217. The next prime is 112103121239. The reversal of 112103121231 is 132121301211.

112103121231 is a `hidden beast` number, since 1 + 121 + 0 + 312 + 1 + 231 = 666.

It is not a de Polignac number, because 112103121231 - 2¹⁸ = 112102859087 is a prime.

It is a super-2 number, since 2×112103121231² (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 (112103121239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 857991 + ... + 979976.

It is an arithmetic number, because the mean of its divisors is an integer number (7024713696).

Almost surely, 2^112103121231 is an apocalyptic number.

112103121231 is a deficient number, since it is larger than the sum of its proper divisors (56490007473).

112103121231 is an equidigital number, since it uses as much as digits as its factorization.

112103121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838233 (or 1838221 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 112103121231 its reverse (132121301211), we get a palindrome (244224422442).

The spelling of 112103121231 in words is "one hundred twelve billion, one hundred three million, one hundred twenty-one thousand, two hundred thirty-one".