210021202211 has 2 divisors, whose sum is σ = 210021202212. Its totient is φ = 210021202210.

The previous prime is 210021202189. The next prime is 210021202213. The reversal of 210021202211 is 112202120012.

210021202211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210021202211 - 2²⁶ = 209954093347 is a prime.

It is a Sophie Germain prime.

Together with 210021202213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210021202213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010601105 + 105010601106.

It is an arithmetic number, because the mean of its divisors is an integer number (105010601106).

Almost surely, 2^210021202211 is an apocalyptic number.

210021202211 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021202211 is an equidigital number, since it uses as much as digits as its factorization.

210021202211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210021202211 its reverse (112202120012), we get a palindrome (322223322223).

The spelling of 210021202211 in words is "two hundred ten billion, twenty-one million, two hundred two thousand, two hundred eleven".