112121221937 has 2 divisors, whose sum is σ = 112121221938. Its totient is φ = 112121221936.

The previous prime is 112121221931. The next prime is 112121221969. The reversal of 112121221937 is 739122121211.

It is an a-pointer prime, because the next prime (112121221969) can be obtained adding 112121221937 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68900475121 + 43220746816 = 262489^2 + 207896^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121221937 - 2⁶ = 112121221873 is a prime.

It is not a weakly prime, because it can be changed into another prime (112121221931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060610968 + 56060610969.

It is an arithmetic number, because the mean of its divisors is an integer number (56060610969).

Almost surely, 2^112121221937 is an apocalyptic number.

It is an amenable number.

112121221937 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121221937 is an equidigital number, since it uses as much as digits as its factorization.

112121221937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 32.

The spelling of 112121221937 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred twenty-one thousand, nine hundred thirty-seven".