111112112222 has 8 divisors (see below), whose sum is σ = 166923404856. Its totient is φ = 55470977272.

The previous prime is 111112112179. The next prime is 111112112227. The reversal of 111112112222 is 222211211111.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 111112112222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112112227) 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, 42537788 + ... + 42540399.

It is an arithmetic number, because the mean of its divisors is an integer number (20865425607).

Almost surely, 2^111112112222 is an apocalyptic number.

111112112222 is a deficient number, since it is larger than the sum of its proper divisors (55811292634).

111112112222 is an equidigital number, since it uses as much as digits as its factorization.

111112112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85078842.

The product of its digits is 32, while the sum is 17.

Adding to 111112112222 its reverse (222211211111), we get a palindrome (333323323333).

The spelling of 111112112222 in words is "one hundred eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-two".