112222212111 has 48 divisors (see below), whose sum is σ = 166185882720. Its totient is φ = 72959097600.

The previous prime is 112222212101. The next prime is 112222212133. The reversal of 112222212111 is 111212222211.

112222212111 is a `hidden beast` number, since 11 + 222 + 221 + 211 + 1 = 666.

It is not a de Polignac number, because 112222212111 - 2²³ = 112213823503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222212101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17137740 + ... + 17144286.

It is an arithmetic number, because the mean of its divisors is an integer number (3462205890).

Almost surely, 2^112222212111 is an apocalyptic number.

112222212111 is a deficient number, since it is larger than the sum of its proper divisors (53963670609).

112222212111 is a wasteful number, since it uses less digits than its factorization.

112222212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936 (or 6933 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

Adding to 112222212111 its reverse (111212222211), we get a palindrome (223434434322).

The spelling of 112222212111 in words is "one hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, one hundred eleven".