111223331112 has 128 divisors (see below), whose sum is σ = 287695872000. Its totient is φ = 35805369600.

The previous prime is 111223331111. The next prime is 111223331123. The reversal of 111223331112 is 211133322111.

111223331112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (111223331111) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 112232937 + ... + 112233927.

It is an arithmetic number, because the mean of its divisors is an integer number (2247624000).

Almost surely, 2^111223331112 is an apocalyptic number.

111223331112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111223331112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143847936000).

111223331112 is an abundant number, since it is smaller than the sum of its proper divisors (176472540888).

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

111223331112 is a wasteful number, since it uses less digits than its factorization.

111223331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847 (or 1843 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

Adding to 111223331112 its reverse (211133322111), we get a palindrome (322356653223).

Subtracting 111223331112 from its reverse (211133322111), we obtain a palindrome (99909990999).

The spelling of 111223331112 in words is "one hundred eleven billion, two hundred twenty-three million, three hundred thirty-one thousand, one hundred twelve".