11021100100200 has 144 divisors (see below), whose sum is σ = 38383362370080. Its totient is φ = 2938960013760.

The previous prime is 11021100100193. The next prime is 11021100100207. The reversal of 11021100100200 is 200100112011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11021100100193) and next prime (11021100100207).

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 (11021100100207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 113337204 + ... + 113434403.

It is an arithmetic number, because the mean of its divisors is an integer number (266551127570).

Almost surely, 2^{11021100100200} is an apocalyptic number.

11021100100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021100100200 is an abundant number, since it is smaller than the sum of its proper divisors (27362262269880).

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

11021100100200 is a wasteful number, since it uses less digits than its factorization.

11021100100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226771638 (or 226771617 counting only the distinct ones).

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

Adding to 11021100100200 its reverse (200100112011), we get a palindrome (11221200212211).

The spelling of 11021100100200 in words is "eleven trillion, twenty-one billion, one hundred million, one hundred thousand, two hundred".