210210220211 has 4 divisors (see below), whose sum is σ = 215891577552. Its totient is φ = 204528862872.

The previous prime is 210210220201. The next prime is 210210220247. The reversal of 210210220211 is 112022012012.

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 210210220211 - 2²² = 210206025907 is a prime.

It is a super-2 number, since 2×210210220211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210210220201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840678615 + ... + 2840678688.

It is an arithmetic number, because the mean of its divisors is an integer number (53972894388).

Almost surely, 2^210210220211 is an apocalyptic number.

210210220211 is a deficient number, since it is larger than the sum of its proper divisors (5681357341).

210210220211 is an equidigital number, since it uses as much as digits as its factorization.

210210220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681357340.

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

Adding to 210210220211 its reverse (112022012012), we get a palindrome (322232232223).

The spelling of 210210220211 in words is "two hundred ten billion, two hundred ten million, two hundred twenty thousand, two hundred eleven".