11201200210221 has 16 divisors (see below), whose sum is σ = 18072524709504. Its totient is φ = 6024174902784.

The previous prime is 11201200210181. The next prime is 11201200210241. The reversal of 11201200210221 is 12201200210211.

It is not a de Polignac number, because 11201200210221 - 2⁶ = 11201200210157 is a prime.

It is a super-2 number, since 2×11201200210221² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11201200210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201200210241) 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, 15687955120 + ... + 15687955833.

It is an arithmetic number, because the mean of its divisors is an integer number (1129532794344).

Almost surely, 2^{11201200210221} is an apocalyptic number.

It is an amenable number.

11201200210221 is a deficient number, since it is larger than the sum of its proper divisors (6871324499283).

11201200210221 is a wasteful number, since it uses less digits than its factorization.

11201200210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31375910980.

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

Adding to 11201200210221 its reverse (12201200210211), we get a palindrome (23402400420432).

The spelling of 11201200210221 in words is "eleven trillion, two hundred one billion, two hundred million, two hundred ten thousand, two hundred twenty-one".