113112231322217 has 2 divisors, whose sum is σ = 113112231322218. Its totient is φ = 113112231322216.

The previous prime is 113112231322163. The next prime is 113112231322303. The reversal of 113112231322217 is 712223132211311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113057903171161 + 54328151056 = 10632869^2 + 233084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113112231322217 is a prime.

It is not a weakly prime, because it can be changed into another prime (113112231322417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56556115661108 + 56556115661109.

It is an arithmetic number, because the mean of its divisors is an integer number (56556115661109).

Almost surely, 2^{113112231322217} is an apocalyptic number.

It is an amenable number.

113112231322217 is a deficient number, since it is larger than the sum of its proper divisors (1).

113112231322217 is an equidigital number, since it uses as much as digits as its factorization.

113112231322217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

Adding to 113112231322217 its reverse (712223132211311), we get a palindrome (825335363533528).

The spelling of 113112231322217 in words is "one hundred thirteen trillion, one hundred twelve billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred seventeen".