111112222112222 has 16 divisors (see below), whose sum is σ = 169895323970640. Its totient is φ = 54488950725312.

The previous prime is 111112222112201. The next prime is 111112222112231. The reversal of 111112222112222 is 222211222211111.

111112222112222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125791233 + ... + 2125843500.

It is an arithmetic number, because the mean of its divisors is an integer number (10618457748165).

Almost surely, 2^{111112222112222} is an apocalyptic number.

111112222112222 is a deficient number, since it is larger than the sum of its proper divisors (58783101858418).

111112222112222 is a wasteful number, since it uses less digits than its factorization.

111112222112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251634987.

The product of its digits is 256, while the sum is 23.

Adding to 111112222112222 its reverse (222211222211111), we get a palindrome (333323444323333).

It can be divided in two parts, 11111 and 2222112222, that multiplied together give a palindrome (24689888898642).

The spelling of 111112222112222 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".