210202102202201 has 2 divisors, whose sum is σ = 210202102202202. Its totient is φ = 210202102202200.

The previous prime is 210202102202161. The next prime is 210202102202203. The reversal of 210202102202201 is 102202201202012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122419818793801 + 87782283408400 = 11064349^2 + 9369220^2 .

It is a cyclic number.

It is not a de Polignac number, because 210202102202201 - 2¹⁰ = 210202102201177 is a prime.

Together with 210202102202203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210202102202201.

It is not a weakly prime, because it can be changed into another prime (210202102202203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105101051101100 + 105101051101101.

It is an arithmetic number, because the mean of its divisors is an integer number (105101051101101).

Almost surely, 2^{210202102202201} is an apocalyptic number.

It is an amenable number.

210202102202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

210202102202201 is an equidigital number, since it uses as much as digits as its factorization.

210202102202201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210202102202201 its reverse (102202201202012), we get a palindrome (312404303404213).

The spelling of 210202102202201 in words is "two hundred ten trillion, two hundred two billion, one hundred two million, two hundred two thousand, two hundred one".