222122110111 has 8 divisors (see below), whose sum is σ = 244223023104. Its totient is φ = 200339196120.

The previous prime is 222122110099. The next prime is 222122110141. The reversal of 222122110111 is 111011221222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222122110111 - 2²³ = 222113721503 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 (222122110141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79498285 + ... + 79501078.

It is an arithmetic number, because the mean of its divisors is an integer number (30527877888).

Almost surely, 2^222122110111 is an apocalyptic number.

222122110111 is a deficient number, since it is larger than the sum of its proper divisors (22100912993).

222122110111 is a wasteful number, since it uses less digits than its factorization.

222122110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158999501.

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

Adding to 222122110111 its reverse (111011221222), we get a palindrome (333133331333).

Subtracting from 222122110111 its reverse (111011221222), we obtain a square (111110888889 = 333333²).

It can be divided in two parts, 222122 and 110111, that added together give a palindrome (332233).

The spelling of 222122110111 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred ten thousand, one hundred eleven".