120112231 has 4 divisors (see below), whose sum is σ = 120610864. Its totient is φ = 119613600.

The previous prime is 120112217. The next prime is 120112253. The reversal of 120112231 is 132211021.

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 120112231 - 2¹¹ = 120110183 is a prime.

It is a super-2 number, since 2×120112231² = 28853896071594722, 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 (120112261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248955 + ... + 249436.

It is an arithmetic number, because the mean of its divisors is an integer number (30152716).

Almost surely, 2^120112231 is an apocalyptic number.

120112231 is a deficient number, since it is larger than the sum of its proper divisors (498633).

120112231 is an equidigital number, since it uses as much as digits as its factorization.

120112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498632.

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

The square root of 120112231 is about 10959.5725737822. The cubic root of 120112231 is about 493.3961366458.

Adding to 120112231 its reverse (132211021), we get a palindrome (252323252).

The spelling of 120112231 in words is "one hundred twenty million, one hundred twelve thousand, two hundred thirty-one".