11200201201221 has 16 divisors (see below), whose sum is σ = 14937165210240. Its totient is φ = 7465019228480.

The previous prime is 11200201201087. The next prime is 11200201201223. The reversal of 11200201201221 is 12210210200211.

It is a cyclic number.

It is not a de Polignac number, because 11200201201221 - 2¹⁰ = 11200201200197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11200201201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200201201223) 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, 308791075 + ... + 308827343.

It is an arithmetic number, because the mean of its divisors is an integer number (933572825640).

Almost surely, 2^{11200201201221} is an apocalyptic number.

It is an amenable number.

11200201201221 is a deficient number, since it is larger than the sum of its proper divisors (3736964009019).

11200201201221 is a wasteful number, since it uses less digits than its factorization.

11200201201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57996.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11200201201221 its reverse (12210210200211), we get a palindrome (23410411401432).

The spelling of 11200201201221 in words is "eleven trillion, two hundred billion, two hundred one million, two hundred one thousand, two hundred twenty-one".