210022123211 has 4 divisors (see below), whose sum is σ = 214490679072. Its totient is φ = 205553567352.

The previous prime is 210022123187. The next prime is 210022123219. The reversal of 210022123211 is 112321220012.

210022123211 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 210022123211 - 2⁶ = 210022123147 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 210022123211.

It is not an unprimeable number, because it can be changed into a prime (210022123219) 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, 2234277860 + ... + 2234277953.

It is an arithmetic number, because the mean of its divisors is an integer number (53622669768).

Almost surely, 2^210022123211 is an apocalyptic number.

210022123211 is a deficient number, since it is larger than the sum of its proper divisors (4468555861).

210022123211 is an equidigital number, since it uses as much as digits as its factorization.

210022123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468555860.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210022123211 its reverse (112321220012), we get a palindrome (322343343223).

The spelling of 210022123211 in words is "two hundred ten billion, twenty-two million, one hundred twenty-three thousand, two hundred eleven".