200100111200100 has 216 divisors, whose sum is σ = 636032031226592. Its totient is φ = 52609408243200.

The previous prime is 200100111200039. The next prime is 200100111200153. The reversal of 200100111200100 is 1002111001002.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 175705515 + ... + 176840685.

Almost surely, 2^{200100111200100} is an apocalyptic number.

200100111200100 is a gapful number since it is divisible by the number (20) 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 200100111200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318016015613296).

200100111200100 is an abundant number, since it is smaller than the sum of its proper divisors (435931920026492).

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

200100111200100 is a wasteful number, since it uses less digits than its factorization.

200100111200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137947 (or 1137937 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200100111200100 its reverse (1002111001002), we get a palindrome (201102222201102).

The spelling of 200100111200100 in words is "two hundred trillion, one hundred billion, one hundred eleven million, two hundred thousand, one hundred".