222112210111 has 4 divisors (see below), whose sum is σ = 242304229224. Its totient is φ = 201920191000.

The previous prime is 222112210081. The next prime is 222112210127. The reversal of 222112210111 is 111012211222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222112210111 - 2⁵ = 222112210079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112210711) 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, 10096009540 + ... + 10096009561.

It is an arithmetic number, because the mean of its divisors is an integer number (60576057306).

Almost surely, 2^222112210111 is an apocalyptic number.

222112210111 is a deficient number, since it is larger than the sum of its proper divisors (20192019113).

222112210111 is a wasteful number, since it uses less digits than its factorization.

222112210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20192019112.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222112210111 its reverse (111012211222), we get a palindrome (333124421333).

It can be divided in two parts, 22211 and 2210111, that added together give a palindrome (2232322).

The spelling of 222112210111 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, one hundred eleven".