112221943 has 2 divisors, whose sum is σ = 112221944. Its totient is φ = 112221942.

The previous prime is 112221937. The next prime is 112221971. The reversal of 112221943 is 349122211.

It is a weak prime.

It is an emirp because it is prime and its reverse (349122211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112221983) 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, 56110971 + 56110972.

It is an arithmetic number, because the mean of its divisors is an integer number (56110972).

Almost surely, 2^112221943 is an apocalyptic number.

112221943 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221943 is an equidigital number, since it uses as much as digits as its factorization.

112221943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 112221943 is about 10593.4858757635. The cubic root of 112221943 is about 482.3466440602.

The spelling of 112221943 in words is "one hundred twelve million, two hundred twenty-one thousand, nine hundred forty-three".