210011212211 has 4 divisors (see below), whose sum is σ = 210096619800. Its totient is φ = 209925804624.

The previous prime is 210011212207. The next prime is 210011212237. The reversal of 210011212211 is 112212110012.

210011212211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210011212211 - 2² = 210011212207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210011212241) 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 in 3 ways as a sum of consecutive naturals, for example, 42700106 + ... + 42705023.

It is an arithmetic number, because the mean of its divisors is an integer number (52524154950).

Almost surely, 2^210011212211 is an apocalyptic number.

210011212211 is a deficient number, since it is larger than the sum of its proper divisors (85407589).

210011212211 is an equidigital number, since it uses as much as digits as its factorization.

210011212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85407588.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210011212211 its reverse (112212110012), we get a palindrome (322223322223).

The spelling of 210011212211 in words is "two hundred ten billion, eleven million, two hundred twelve thousand, two hundred eleven".