212100200222189 has 2 divisors, whose sum is σ = 212100200222190. Its totient is φ = 212100200222188.

The previous prime is 212100200222107. The next prime is 212100200222237. The reversal of 212100200222189 is 981222002001212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111299503820164 + 100800696402025 = 10549858^2 + 10039955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212100200222189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212100200222789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050100111094 + 106050100111095.

It is an arithmetic number, because the mean of its divisors is an integer number (106050100111095).

Almost surely, 2^{212100200222189} is an apocalyptic number.

It is an amenable number.

212100200222189 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100200222189 is an equidigital number, since it uses as much as digits as its factorization.

212100200222189 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 32.

The spelling of 212100200222189 in words is "two hundred twelve trillion, one hundred billion, two hundred million, two hundred twenty-two thousand, one hundred eighty-nine".