210202120210211 has 4 divisors (see below), whose sum is σ = 210365956626312. Its totient is φ = 210038283794112.

The previous prime is 210202120210169. The next prime is 210202120210219. The reversal of 210202120210211 is 112012021202012.

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

It is a cyclic number.

It is not a de Polignac number, because 210202120210211 - 2¹⁰ = 210202120209187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210202120210211.

It is not an unprimeable number, because it can be changed into a prime (210202120210219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81918206126 + ... + 81918208691.

It is an arithmetic number, because the mean of its divisors is an integer number (52591489156578).

Almost surely, 2^{210202120210211} is an apocalyptic number.

210202120210211 is a deficient number, since it is larger than the sum of its proper divisors (163836416101).

210202120210211 is a wasteful number, since it uses less digits than its factorization.

210202120210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163836416100.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210202120210211 its reverse (112012021202012), we get a palindrome (322214141412223).

The spelling of 210202120210211 in words is "two hundred ten trillion, two hundred two billion, one hundred twenty million, two hundred ten thousand, two hundred eleven".