111112012222 has 4 divisors (see below), whose sum is σ = 166668018336. Its totient is φ = 55556006110.

The previous prime is 111112012199. The next prime is 111112012261. The reversal of 111112012222 is 222210211111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111112012196 and 111112012205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27778003054 + ... + 27778003057.

It is an arithmetic number, because the mean of its divisors is an integer number (41667004584).

Almost surely, 2^111112012222 is an apocalyptic number.

111112012222 is a deficient number, since it is larger than the sum of its proper divisors (55556006114).

111112012222 is an equidigital number, since it uses as much as digits as its factorization.

111112012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55556006113.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111112012222 its reverse (222210211111), we get a palindrome (333322223333).

The spelling of 111112012222 in words is "one hundred eleven billion, one hundred twelve million, twelve thousand, two hundred twenty-two".