112221110849857 has 2 divisors, whose sum is σ = 112221110849858. Its totient is φ = 112221110849856.

The previous prime is 112221110849851. The next prime is 112221110849873. The reversal of 112221110849857 is 758948011122211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64832191800336 + 47388919049521 = 8051844^2 + 6883961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221110849857 is a prime.

It is not a weakly prime, because it can be changed into another prime (112221110849851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110555424928 + 56110555424929.

It is an arithmetic number, because the mean of its divisors is an integer number (56110555424929).

Almost surely, 2^{112221110849857} is an apocalyptic number.

It is an amenable number.

112221110849857 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221110849857 is an equidigital number, since it uses as much as digits as its factorization.

112221110849857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 52.

The spelling of 112221110849857 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred ten million, eight hundred forty-nine thousand, eight hundred fifty-seven".