11000012210221 has 16 divisors (see below), whose sum is σ = 11447197502400. Its totient is φ = 10561544517888.

The previous prime is 11000012210183. The next prime is 11000012210227. The reversal of 11000012210221 is 12201221000011.

It is a cyclic number.

It is not a de Polignac number, because 11000012210221 - 2³³ = 10991422275629 is a prime.

It is a super-2 number, since 2×11000012210221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000012210227) 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, 53857525 + ... + 54061381.

It is an arithmetic number, because the mean of its divisors is an integer number (715449843900).

Almost surely, 2^{11000012210221} is an apocalyptic number.

It is an amenable number.

11000012210221 is a deficient number, since it is larger than the sum of its proper divisors (447185292179).

11000012210221 is a wasteful number, since it uses less digits than its factorization.

11000012210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225228.

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

Adding to 11000012210221 its reverse (12201221000011), we get a palindrome (23201233210232).

The spelling of 11000012210221 in words is "eleven trillion, twelve million, two hundred ten thousand, two hundred twenty-one".