111112221112222 has 64 divisors (see below), whose sum is σ = 192835878543360. Its totient is φ = 47523806748000.

The previous prime is 111112221112219. The next prime is 111112221112261. The reversal of 111112221112222 is 222211122211111.

It is a Harshad number since it is a multiple of its sum of digits (22).

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111112221112193 and 111112221112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810429 + ... + 14929207.

It is an arithmetic number, because the mean of its divisors is an integer number (3013060602240).

Almost surely, 2^{111112221112222} is an apocalyptic number.

111112221112222 is a deficient number, since it is larger than the sum of its proper divisors (81723657431138).

111112221112222 is a wasteful number, since it uses less digits than its factorization.

111112221112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14119069.

The product of its digits is 128, while the sum is 22.

Adding to 111112221112222 its reverse (222211122211111), we get a palindrome (333323343323333).

The spelling of 111112221112222 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred twenty-one million, one hundred twelve thousand, two hundred twenty-two".