11000201221 has 8 divisors (see below), whose sum is σ = 11582436320. Its totient is φ = 10418293872.

The previous prime is 11000201213. The next prime is 11000201281. The reversal of 11000201221 is 12210200011.

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

It is a cyclic number.

It is not a de Polignac number, because 11000201221 - 2³ = 11000201213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11000201198 and 11000201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000201281) 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, 11475 + ... + 148768.

It is an arithmetic number, because the mean of its divisors is an integer number (1447804540).

Almost surely, 2^11000201221 is an apocalyptic number.

It is an amenable number.

11000201221 is a deficient number, since it is larger than the sum of its proper divisors (582235099).

11000201221 is a wasteful number, since it uses less digits than its factorization.

11000201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163875.

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

Adding to 11000201221 its reverse (12210200011), we get a palindrome (23210401232).

The spelling of 11000201221 in words is "eleven billion, two hundred one thousand, two hundred twenty-one".