112442273981 has 2 divisors, whose sum is σ = 112442273982. Its totient is φ = 112442273980.

The previous prime is 112442273969. The next prime is 112442274001. The reversal of 112442273981 is 189372244211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71658471481 + 40783802500 = 267691^2 + 201950^2 .

It is a cyclic number.

It is not a de Polignac number, because 112442273981 - 2¹⁴ = 112442257597 is a prime.

It is a super-2 number, since 2×112442273981² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112442273381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56221136990 + 56221136991.

It is an arithmetic number, because the mean of its divisors is an integer number (56221136991).

Almost surely, 2^112442273981 is an apocalyptic number.

It is an amenable number.

112442273981 is a deficient number, since it is larger than the sum of its proper divisors (1).

112442273981 is an equidigital number, since it uses as much as digits as its factorization.

112442273981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The spelling of 112442273981 in words is "one hundred twelve billion, four hundred forty-two million, two hundred seventy-three thousand, nine hundred eighty-one".