112220131 has 2 divisors, whose sum is σ = 112220132. Its totient is φ = 112220130.

The previous prime is 112220123. The next prime is 112220201. The reversal of 112220131 is 131022211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112220131 - 2³ = 112220123 is a prime.

It is a super-2 number, since 2×112220131² = 25186715603314322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112220231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110065 + 56110066.

It is an arithmetic number, because the mean of its divisors is an integer number (56110066).

Almost surely, 2^112220131 is an apocalyptic number.

112220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220131 is an equidigital number, since it uses as much as digits as its factorization.

112220131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 112220131 is about 10593.4003511620. The cubic root of 112220131 is about 482.3440479642.

Adding to 112220131 its reverse (131022211), we get a palindrome (243242342).

The spelling of 112220131 in words is "one hundred twelve million, two hundred twenty thousand, one hundred thirty-one".