111222112033312 has 144 divisors (see below), whose sum is σ = 263538061557120. Its totient is φ = 46016625984000.

The previous prime is 111222112033309. The next prime is 111222112033337. The reversal of 111222112033312 is 213330211222111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338647737 + ... + 338976007.

It is an arithmetic number, because the mean of its divisors is an integer number (1830125427480).

Almost surely, 2^{111222112033312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111222112033312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131769030778560).

111222112033312 is an abundant number, since it is smaller than the sum of its proper divisors (152315949523808).

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

111222112033312 is a wasteful number, since it uses less digits than its factorization.

111222112033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335775 (or 335760 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 111222112033312 its reverse (213330211222111), we get a palindrome (324552323255423).

The spelling of 111222112033312 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twelve million, thirty-three thousand, three hundred twelve".