111100200010000 has 200 divisors, whose sum is σ = 272379685568760. Its totient is φ = 43881965568000.

The previous prime is 111100200009959. The next prime is 111100200010001. The reversal of 111100200010000 is 10002001111.

It can be written as a sum of positive squares in 20 ways, for example, as 99502061405184 + 11598138604816 = 9975072^2 + 3405604^2 .

It is a tau number, because it is divible by the number of its divisors (200).

It is not an unprimeable number, because it can be changed into a prime (111100200010001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 319196064 + ... + 319543936.

Almost surely, 2^{111100200010000} is an apocalyptic number.

111100200010000 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 111100200010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136189842784380).

111100200010000 is an abundant number, since it is smaller than the sum of its proper divisors (161279485558760).

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

111100200010000 is a wasteful number, since it uses less digits than its factorization.

111100200010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348303 (or 348282 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 111100200010000 its reverse (10002001111), we get a palindrome (111110202011111).

The spelling of 111100200010000 in words is "one hundred eleven trillion, one hundred billion, two hundred million, ten thousand".