210010212210209 has 4 divisors (see below), whose sum is σ = 215686163891604. Its totient is φ = 204334260528816.

The previous prime is 210010212210193. The next prime is 210010212210241. The reversal of 210010212210209 is 902012212010012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107293446645025 + 102716765565184 = 10358255^2 + 10134928^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010212210209 - 2⁴ = 210010212210193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210010212210259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2837975840642 + ... + 2837975840715.

It is an arithmetic number, because the mean of its divisors is an integer number (53921540972901).

Almost surely, 2^{210010212210209} is an apocalyptic number.

It is an amenable number.

210010212210209 is a deficient number, since it is larger than the sum of its proper divisors (5675951681395).

210010212210209 is an equidigital number, since it uses as much as digits as its factorization.

210010212210209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675951681394.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 210010212210209 in words is "two hundred ten trillion, ten billion, two hundred twelve million, two hundred ten thousand, two hundred nine".