222222020211 has 10 divisors (see below), whose sum is σ = 331961289572. Its totient is φ = 148148013420.

The previous prime is 222222020203. The next prime is 222222020213. The reversal of 222222020211 is 112020222222.

It is not a de Polignac number, because 222222020211 - 2³ = 222222020203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222222020213) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1371740785 + ... + 1371740946.

Almost surely, 2^222222020211 is an apocalyptic number.

222222020211 is a deficient number, since it is larger than the sum of its proper divisors (109739269361).

222222020211 is an equidigital number, since it uses as much as digits as its factorization.

222222020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743481743 (or 2743481734 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222222020211 its reverse (112020222222), we get a palindrome (334242242433).

The spelling of 222222020211 in words is "two hundred twenty-two billion, two hundred twenty-two million, twenty thousand, two hundred eleven".