112212106861 has 2 divisors, whose sum is σ = 112212106862. Its totient is φ = 112212106860.

The previous prime is 112212106843. The next prime is 112212106879. The reversal of 112212106861 is 168601212211.

It is a balanced prime because it is at equal distance from previous prime (112212106843) and next prime (112212106879).

It can be written as a sum of positive squares in only one way, i.e., 82638425961 + 29573680900 = 287469^2 + 171970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112212106861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112212101861) 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, 56106053430 + 56106053431.

It is an arithmetic number, because the mean of its divisors is an integer number (56106053431).

Almost surely, 2^112212106861 is an apocalyptic number.

It is an amenable number.

112212106861 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212106861 is an equidigital number, since it uses as much as digits as its factorization.

112212106861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 112212106861 in words is "one hundred twelve billion, two hundred twelve million, one hundred six thousand, eight hundred sixty-one".