111104020 has 48 divisors (see below), whose sum is σ = 248774400. Its totient is φ = 41558400.

The previous prime is 111104009. The next prime is 111104057. The reversal of 111104020 is 20401111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 111103988 and 111104006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28170 + ... + 31870.

It is an arithmetic number, because the mean of its divisors is an integer number (5182800).

Almost surely, 2^111104020 is an apocalyptic number.

111104020 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 111104020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124387200).

111104020 is an abundant number, since it is smaller than the sum of its proper divisors (137670380).

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

111104020 is a wasteful number, since it uses less digits than its factorization.

111104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 111104020 is about 10540.5891675940. The cubic root of 111104020 is about 480.7396293996.

Adding to 111104020 its reverse (20401111), we get a palindrome (131505131).

The spelling of 111104020 in words is "one hundred eleven million, one hundred four thousand, twenty".