202212211211 has 4 divisors (see below), whose sum is σ = 202434179424. Its totient is φ = 201990243000.

The previous prime is 202212211199. The next prime is 202212211237. The reversal of 202212211211 is 112112212202.

202212211211 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 202212211211 - 2³⁰ = 201138469387 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 202212211211.

It is not an unprimeable number, because it can be changed into a prime (202212211511) 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, 110982740 + ... + 110984561.

It is an arithmetic number, because the mean of its divisors is an integer number (50608544856).

Almost surely, 2^202212211211 is an apocalyptic number.

202212211211 is a deficient number, since it is larger than the sum of its proper divisors (221968213).

202212211211 is an equidigital number, since it uses as much as digits as its factorization.

202212211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221968212.

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

Adding to 202212211211 its reverse (112112212202), we get a palindrome (314324423413).

Subtracting from 202212211211 its reverse (112112212202), we obtain a palindrome (90099999009).

The spelling of 202212211211 in words is "two hundred two billion, two hundred twelve million, two hundred eleven thousand, two hundred eleven".