11000020110221 has 16 divisors (see below), whose sum is σ = 11041174510080. Its totient is φ = 10958946243840.

The previous prime is 11000020110199. The next prime is 11000020110223. The reversal of 11000020110221 is 12201102000011.

It is a cyclic number.

It is not a de Polignac number, because 11000020110221 - 2²⁶ = 10999953001357 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 (11000020110223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2039682101 + ... + 2039687493.

It is an arithmetic number, because the mean of its divisors is an integer number (690073406880).

Almost surely, 2^{11000020110221} is an apocalyptic number.

It is an amenable number.

11000020110221 is a deficient number, since it is larger than the sum of its proper divisors (41154399859).

11000020110221 is a wasteful number, since it uses less digits than its factorization.

11000020110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11516.

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

Adding to 11000020110221 its reverse (12201102000011), we get a palindrome (23201122110232).

The spelling of 11000020110221 in words is "eleven trillion, twenty million, one hundred ten thousand, two hundred twenty-one".