111111202331112 has 32 divisors (see below), whose sum is σ = 278726053646880. Its totient is φ = 36910661067840.

The previous prime is 111111202331093. The next prime is 111111202331119. The reversal of 111111202331112 is 211133202111111.

111111202331112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (111111202331119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7900391314 + ... + 7900405377.

It is an arithmetic number, because the mean of its divisors is an integer number (8710189176465).

Almost surely, 2^{111111202331112} is an apocalyptic number.

111111202331112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111111202331112 is an abundant number, since it is smaller than the sum of its proper divisors (167614851315768).

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

111111202331112 is a wasteful number, since it uses less digits than its factorization.

111111202331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15800796993 (or 15800796989 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 111111202331112 its reverse (211133202111111), we get a palindrome (322244404442223).

The spelling of 111111202331112 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred two million, three hundred thirty-one thousand, one hundred twelve".