210210200122189 has 2 divisors, whose sum is σ = 210210200122190. Its totient is φ = 210210200122188.

The previous prime is 210210200122067. The next prime is 210210200122217. The reversal of 210210200122189 is 981221002012012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117345331086025 + 92864869036164 = 10832605^2 + 9636642^2 .

It is a cyclic number.

It is not a de Polignac number, because 210210200122189 - 2²⁵ = 210210166567757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210210200122189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210210200122889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105100061094 + 105105100061095.

It is an arithmetic number, because the mean of its divisors is an integer number (105105100061095).

Almost surely, 2^{210210200122189} is an apocalyptic number.

It is an amenable number.

210210200122189 is a deficient number, since it is larger than the sum of its proper divisors (1).

210210200122189 is an equidigital number, since it uses as much as digits as its factorization.

210210200122189 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 210210200122189 in words is "two hundred ten trillion, two hundred ten billion, two hundred million, one hundred twenty-two thousand, one hundred eighty-nine".