111220103120 has 160 divisors (see below), whose sum is σ = 300130790400. Its totient is φ = 37542371328.

The previous prime is 111220103089. The next prime is 111220103173. The reversal of 111220103120 is 21301022111.

111220103120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111220103120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 111220103095 and 111220103104.

It is a congruent number.

It is an unprimeable number.

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, 11907092 + ... + 11916428.

It is an arithmetic number, because the mean of its divisors is an integer number (1875817440).

Almost surely, 2^111220103120 is an apocalyptic number.

111220103120 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 111220103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150065395200).

111220103120 is an abundant number, since it is smaller than the sum of its proper divisors (188910687280).

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

111220103120 is a wasteful number, since it uses less digits than its factorization.

111220103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9685 (or 9679 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111220103120 its reverse (21301022111), we get a palindrome (132521125231).

The spelling of 111220103120 in words is "one hundred eleven billion, two hundred twenty million, one hundred three thousand, one hundred twenty".