222110122211 has 4 divisors (see below), whose sum is σ = 223273002624. Its totient is φ = 220947241800.

The previous prime is 222110122147. The next prime is 222110122271. The reversal of 222110122211 is 112221011222.

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 222110122211 - 2⁶ = 222110122147 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 222110122211.

It is not an unprimeable number, because it can be changed into a prime (222110122271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581439920 + ... + 581440301.

It is an arithmetic number, because the mean of its divisors is an integer number (55818250656).

Almost surely, 2^222110122211 is an apocalyptic number.

222110122211 is a deficient number, since it is larger than the sum of its proper divisors (1162880413).

222110122211 is a wasteful number, since it uses less digits than its factorization.

222110122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162880412.

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

Adding to 222110122211 its reverse (112221011222), we get a palindrome (334331133433).

The spelling of 222110122211 in words is "two hundred twenty-two billion, one hundred ten million, one hundred twenty-two thousand, two hundred eleven".