111300002020 has 96 divisors (see below), whose sum is σ = 243554927616. Its totient is φ = 42691017600.

The previous prime is 111300001993. The next prime is 111300002027. The reversal of 111300002020 is 20200003111.

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 = 111300001988 and 111300002006.

It is not an unprimeable number, because it can be changed into a prime (111300002027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17916715 + ... + 17922925.

It is an arithmetic number, because the mean of its divisors is an integer number (2537030496).

Almost surely, 2^111300002020 is an apocalyptic number.

111300002020 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 111300002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121777463808).

111300002020 is an abundant number, since it is smaller than the sum of its proper divisors (132254925596).

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

111300002020 is a wasteful number, since it uses less digits than its factorization.

111300002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641 (or 6639 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 111300002020 its reverse (20200003111), we get a palindrome (131500005131).

The spelling of 111300002020 in words is "one hundred eleven billion, three hundred million, two thousand, twenty".