222111010211 has 4 divisors (see below), whose sum is σ = 233801063400. Its totient is φ = 210420957024.

The previous prime is 222111010169. The next prime is 222111010217. The reversal of 222111010211 is 112010111222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112010111222 = 2 ⋅56005055611.

It is a cyclic number.

It is not a de Polignac number, because 222111010211 - 2²⁶ = 222043901347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222111010217) 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, 5845026566 + ... + 5845026603.

It is an arithmetic number, because the mean of its divisors is an integer number (58450265850).

Almost surely, 2^222111010211 is an apocalyptic number.

222111010211 is a deficient number, since it is larger than the sum of its proper divisors (11690053189).

222111010211 is a wasteful number, since it uses less digits than its factorization.

222111010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11690053188.

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

Adding to 222111010211 its reverse (112010111222), we get a palindrome (334121121433).

The spelling of 222111010211 in words is "two hundred twenty-two billion, one hundred eleven million, ten thousand, two hundred eleven".