112221331 has 2 divisors, whose sum is σ = 112221332. Its totient is φ = 112221330.

The previous prime is 112221283. The next prime is 112221341. The reversal of 112221331 is 133122211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221331 is a prime.

It is a super-2 number, since 2×112221331² = 25187254262823122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112221341) 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 as a sum of consecutive naturals, namely, 56110665 + 56110666.

It is an arithmetic number, because the mean of its divisors is an integer number (56110666).

Almost surely, 2^112221331 is an apocalyptic number.

112221331 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221331 is an equidigital number, since it uses as much as digits as its factorization.

112221331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 16.

The square root of 112221331 is about 10593.4569900481. The cubic root of 112221331 is about 482.3457672362.

Adding to 112221331 its reverse (133122211), we get a palindrome (245343542).

The spelling of 112221331 in words is "one hundred twelve million, two hundred twenty-one thousand, three hundred thirty-one".