212112222101089 has 2 divisors, whose sum is σ = 212112222101090. Its totient is φ = 212112222101088.

The previous prime is 212112222101071. The next prime is 212112222101159. The reversal of 212112222101089 is 980101222211212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206794955054689 + 5317267046400 = 14380367^2 + 2305920^2 .

It is a cyclic number.

It is not a de Polignac number, because 212112222101089 - 2²⁹ = 212111685230177 is a prime.

It is not a weakly prime, because it can be changed into another prime (212112222104089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056111050544 + 106056111050545.

It is an arithmetic number, because the mean of its divisors is an integer number (106056111050545).

Almost surely, 2^{212112222101089} is an apocalyptic number.

It is an amenable number.

212112222101089 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112222101089 is an equidigital number, since it uses as much as digits as its factorization.

212112222101089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 212112222101089 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, one hundred one thousand, eighty-nine".