111130300020 has 48 divisors (see below), whose sum is σ = 311181030720. Its totient is φ = 29633204736.

The previous prime is 111130299877. The next prime is 111130300049. The reversal of 111130300020 is 20003031111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111130299969 and 111130300005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1555851 + ... + 1625709.

It is an arithmetic number, because the mean of its divisors is an integer number (6482938140).

Almost surely, 2^111130300020 is an apocalyptic number.

111130300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111130300020 is an abundant number, since it is smaller than the sum of its proper divisors (200050730700).

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

111130300020 is a wasteful number, since it uses less digits than its factorization.

111130300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96384 (or 96382 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 111130300020 its reverse (20003031111), we get a palindrome (131133331131).

The spelling of 111130300020 in words is "one hundred eleven billion, one hundred thirty million, three hundred thousand, twenty".