11200100221 has 16 divisors (see below), whose sum is σ = 12070643200. Its totient is φ = 10357946928.

The previous prime is 11200100209. The next prime is 11200100227. The reversal of 11200100221 is 12200100211.

It is a cyclic number.

It is not a de Polignac number, because 11200100221 - 2¹⁷ = 11199969149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200100198 and 11200100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200100227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160010 + ... + 2165188.

It is an arithmetic number, because the mean of its divisors is an integer number (754415200).

Almost surely, 2^11200100221 is an apocalyptic number.

It is an amenable number.

11200100221 is a deficient number, since it is larger than the sum of its proper divisors (870542979).

11200100221 is a wasteful number, since it uses less digits than its factorization.

11200100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888.

The product of its (nonzero) digits is 8, while the sum is 10.

Subtracting from 11200100221 its sum of digits (10), we obtain a palindrome (11200100211).

Adding to 11200100221 its reverse (12200100211), we get a palindrome (23400200432).

The spelling of 11200100221 in words is "eleven billion, two hundred million, one hundred thousand, two hundred twenty-one".