112222122111 has 16 divisors (see below), whose sum is σ = 181369086720. Its totient is φ = 68013407160.

The previous prime is 112222122107. The next prime is 112222122127. The reversal of 112222122111 is 111221222211.

It is not a de Polignac number, because 112222122111 - 2² = 112222122107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222122191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188925835 + ... + 188926428.

It is an arithmetic number, because the mean of its divisors is an integer number (11335567920).

Almost surely, 2^112222122111 is an apocalyptic number.

112222122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112222122111 is a deficient number, since it is larger than the sum of its proper divisors (69146964609).

112222122111 is a wasteful number, since it uses less digits than its factorization.

112222122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377852283 (or 377852277 counting only the distinct ones).

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

Adding to 112222122111 its reverse (111221222211), we get a palindrome (223443344322).

The spelling of 112222122111 in words is "one hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".