111002020200000 has 1008 divisors, whose sum is σ = 432461625090768. Its totient is φ = 27106099200000.

The previous prime is 111002020199891. The next prime is 111002020200007. The reversal of 111002020200000 is 2020200111.

It can be written as a sum of positive squares in 24 ways, for example, as 107774794783296 + 3227225416704 = 10381464^2 + 1796448^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (111002020200007) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1132150980 + ... + 1132249020.

It is an arithmetic number, because the mean of its divisors is an integer number (429029389971).

Almost surely, 2^{111002020200000} is an apocalyptic number.

111002020200000 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 111002020200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216230812545384).

111002020200000 is an abundant number, since it is smaller than the sum of its proper divisors (321459604890768).

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

111002020200000 is an equidigital number, since it uses as much as digits as its factorization.

111002020200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98138 (or 98105 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 111002020200000 its reverse (2020200111), we get a palindrome (111004040400111).

The spelling of 111002020200000 in words is "one hundred eleven trillion, two billion, twenty million, two hundred thousand".