11100200201221 has 8 divisors (see below), whose sum is σ = 11838942595800. Its totient is φ = 10370989966848.

The previous prime is 11100200201213. The next prime is 11100200201327. The reversal of 11100200201221 is 12210200200111.

11100200201221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5581694478721 + 5518505722500 = 2362561^2 + 2349150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11100200201221 - 2³ = 11100200201213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100200201621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383037646 + ... + 2383042303.

It is an arithmetic number, because the mean of its divisors is an integer number (1479867824475).

Almost surely, 2^{11100200201221} is an apocalyptic number.

It is an amenable number.

11100200201221 is a deficient number, since it is larger than the sum of its proper divisors (738742394579).

11100200201221 is a wasteful number, since it uses less digits than its factorization.

11100200201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766080103.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11100200201221 its reverse (12210200200111), we get a palindrome (23310400401332).

The spelling of 11100200201221 in words is "eleven trillion, one hundred billion, two hundred million, two hundred one thousand, two hundred twenty-one".