112120231 has 4 divisors (see below), whose sum is σ = 112325752. Its totient is φ = 111914712.

The previous prime is 112120223. The next prime is 112120241. The reversal of 112120231 is 132021211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112120231 - 2³ = 112120223 is a prime.

It is a super-2 number, since 2×112120231² = 25141892398986722, which 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 (112120241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101940 + ... + 103033.

It is an arithmetic number, because the mean of its divisors is an integer number (28081438).

Almost surely, 2^112120231 is an apocalyptic number.

112120231 is a deficient number, since it is larger than the sum of its proper divisors (205521).

112120231 is an equidigital number, since it uses as much as digits as its factorization.

112120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205520.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 112120231 is about 10588.6841014358. The cubic root of 112120231 is about 482.2008755651.

Adding to 112120231 its reverse (132021211), we get a palindrome (244141442).

The spelling of 112120231 in words is "one hundred twelve million, one hundred twenty thousand, two hundred thirty-one".