111110112012222 has 64 divisors (see below), whose sum is σ = 261870352081920. Its totient is φ = 34845651640800.

The previous prime is 111110112012203. The next prime is 111110112012259. The reversal of 111110112012222 is 222210211011111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111110112012195 and 111110112012204.

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, 733208154 + ... + 733359677.

It is an arithmetic number, because the mean of its divisors is an integer number (4091724251280).

Almost surely, 2^{111110112012222} is an apocalyptic number.

111110112012222 is an abundant number, since it is smaller than the sum of its proper divisors (150760240069698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111110112012222 is a wasteful number, since it uses less digits than its factorization.

111110112012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466567926 (or 1466567920 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111110112012222 its reverse (222210211011111), we get a palindrome (333320323023333).

The spelling of 111110112012222 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twelve million, twelve thousand, two hundred twenty-two".