111222123313312 has 24 divisors (see below), whose sum is σ = 238874787571392. Its totient is φ = 50555510596800.

The previous prime is 111222123313307. The next prime is 111222123313349. The reversal of 111222123313312 is 213313321222111.

111222123313312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 157985970264 + ... + 157985970967.

It is an arithmetic number, because the mean of its divisors is an integer number (9953116148808).

Almost surely, 2^{111222123313312} is an apocalyptic number.

It is an amenable number.

111222123313312 is an abundant number, since it is smaller than the sum of its proper divisors (127652664258080).

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

111222123313312 is a wasteful number, since it uses less digits than its factorization.

111222123313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315971941252 (or 315971941244 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

Adding to 111222123313312 its reverse (213313321222111), we get a palindrome (324535444535423).

The spelling of 111222123313312 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twenty-three million, three hundred thirteen thousand, three hundred twelve".