212211133322189 has 2 divisors, whose sum is σ = 212211133322190. Its totient is φ = 212211133322188.

The previous prime is 212211133322093. The next prime is 212211133322197. The reversal of 212211133322189 is 981223331112212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210880206541225 + 1330926780964 = 14521715^2 + 1153658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212211133322189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212211133321189) 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, 106105566661094 + 106105566661095.

It is an arithmetic number, because the mean of its divisors is an integer number (106105566661095).

Almost surely, 2^{212211133322189} is an apocalyptic number.

It is an amenable number.

212211133322189 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211133322189 is an equidigital number, since it uses as much as digits as its factorization.

212211133322189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The spelling of 212211133322189 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred thirty-three million, three hundred twenty-two thousand, one hundred eighty-nine".