111003302020 has 48 divisors (see below), whose sum is σ = 256876361280. Its totient is φ = 40032671616.

The previous prime is 111003301999. The next prime is 111003302089. The reversal of 111003302020 is 20203300111.

It is a Harshad number since it is a multiple of its sum of digits (13).

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 15 ways as a sum of consecutive naturals, for example, 4953190 + ... + 4975549.

It is an arithmetic number, because the mean of its divisors is an integer number (5351590860).

Almost surely, 2^111003302020 is an apocalyptic number.

111003302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111003302020 is an abundant number, since it is smaller than the sum of its proper divisors (145873059260).

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

111003302020 is a wasteful number, since it uses less digits than its factorization.

111003302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928804 (or 9928802 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 111003302020 its reverse (20203300111), we get a palindrome (131206602131).

The spelling of 111003302020 in words is "one hundred eleven billion, three million, three hundred two thousand, twenty".