111122231120 has 160 divisors (see below), whose sum is σ = 283166876160. Its totient is φ = 40407552000.

The previous prime is 111122231113. The next prime is 111122231123. The reversal of 111122231120 is 21132221111.

It is a happy number.

111122231120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122231123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3786905 + ... + 3816135.

It is an arithmetic number, because the mean of its divisors is an integer number (1769792976).

Almost surely, 2^111122231120 is an apocalyptic number.

111122231120 is a gapful number since it is divisible by the number (10) 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 111122231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141583438080).

111122231120 is an abundant number, since it is smaller than the sum of its proper divisors (172044645040).

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

111122231120 is a wasteful number, since it uses less digits than its factorization.

111122231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29365 (or 29359 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111122231120 its reverse (21132221111), we get a palindrome (132254452231).

The spelling of 111122231120 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred twenty".