210010200221209 has 2 divisors, whose sum is σ = 210010200221210. Its totient is φ = 210010200221208.

The previous prime is 210010200221179. The next prime is 210010200221257. The reversal of 210010200221209 is 902122002010012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202451549731209 + 7558650490000 = 14228547^2 + 2749300^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010200221209 - 2¹⁵ = 210010200188441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210010200221209.

It is not a weakly prime, because it can be changed into another prime (210010200221009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005100110604 + 105005100110605.

It is an arithmetic number, because the mean of its divisors is an integer number (105005100110605).

Almost surely, 2^{210010200221209} is an apocalyptic number.

It is an amenable number.

210010200221209 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010200221209 is an equidigital number, since it uses as much as digits as its factorization.

210010200221209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 210010200221209 in words is "two hundred ten trillion, ten billion, two hundred million, two hundred twenty-one thousand, two hundred nine".