11101000200221 has 4 divisors (see below), whose sum is σ = 11138887573212. Its totient is φ = 11063112827232.

The previous prime is 11101000200217. The next prime is 11101000200247. The reversal of 11101000200221 is 12200200010111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10330528804996 + 770471395225 = 3214114^2 + 877765^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101000200221 - 2² = 11101000200217 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 (11101002200221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18943686056 + ... + 18943686641.

It is an arithmetic number, because the mean of its divisors is an integer number (2784721893303).

Almost surely, 2^{11101000200221} is an apocalyptic number.

It is an amenable number.

11101000200221 is a deficient number, since it is larger than the sum of its proper divisors (37887372991).

11101000200221 is an equidigital number, since it uses as much as digits as its factorization.

11101000200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37887372990.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11101000200221 its reverse (12200200010111), we get a palindrome (23301200210332).

The spelling of 11101000200221 in words is "eleven trillion, one hundred one billion, two hundred thousand, two hundred twenty-one".