111112012011222 has 24 divisors (see below), whose sum is σ = 240807917081160. Its totient is φ = 37027302815520.

The previous prime is 111112012011193. The next prime is 111112012011239. The reversal of 111112012011222 is 222110210211111.

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 = 111112012011195 and 111112012011204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836141847 + ... + 836274722.

It is an arithmetic number, because the mean of its divisors is an integer number (10033663211715).

Almost surely, 2^{111112012011222} is an apocalyptic number.

111112012011222 is an abundant number, since it is smaller than the sum of its proper divisors (129695905069938).

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

111112012011222 is a wasteful number, since it uses less digits than its factorization.

111112012011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672420268 (or 1672420265 counting only the distinct ones).

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

Adding to 111112012011222 its reverse (222110210211111), we get a palindrome (333222222222333).

The spelling of 111112012011222 in words is "one hundred eleven trillion, one hundred twelve billion, twelve million, eleven thousand, two hundred twenty-two".