111112111222 has 32 divisors (see below), whose sum is σ = 193437994752. Its totient is φ = 46884917664.

The previous prime is 111112111189. The next prime is 111112111249. The reversal of 111112111222 is 222111211111.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111112111196 and 111112111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16648 + ... + 471700.

It is an arithmetic number, because the mean of its divisors is an integer number (6044937336).

Almost surely, 2^111112111222 is an apocalyptic number.

111112111222 is a deficient number, since it is larger than the sum of its proper divisors (82325883530).

111112111222 is a wasteful number, since it uses less digits than its factorization.

111112111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455332.

The product of its digits is 16, while the sum is 16.

Adding to 111112111222 its reverse (222111211111), we get a palindrome (333223322333).

The spelling of 111112111222 in words is "one hundred eleven billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".