111411103120 has 20 divisors (see below), whose sum is σ = 259030814940. Its totient is φ = 44564441216.

The previous prime is 111411103109. The next prime is 111411103159. The reversal of 111411103120 is 21301114111.

It can be written as a sum of positive squares in 2 ways, for example, as 19936310416 + 91474792704 = 141196^2 + 302448^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111411103094 and 111411103103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696319315 + ... + 696319474.

It is an arithmetic number, because the mean of its divisors is an integer number (12951540747).

Almost surely, 2^111411103120 is an apocalyptic number.

111411103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111411103120 is an abundant number, since it is smaller than the sum of its proper divisors (147619711820).

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

111411103120 is a wasteful number, since it uses less digits than its factorization.

111411103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392638802 (or 1392638796 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111411103120 its reverse (21301114111), we get a palindrome (132712217231).

The spelling of 111411103120 in words is "one hundred eleven billion, four hundred eleven million, one hundred three thousand, one hundred twenty".