11201002202221 has 32 divisors (see below), whose sum is σ = 12565823800320. Its totient is φ = 9913276800000.

The previous prime is 11201002202219. The next prime is 11201002202231. The reversal of 11201002202221 is 12220220010211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11201002202221 - 2¹ = 11201002202219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201002202195 and 11201002202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201002202231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33546346 + ... + 33878596.

It is an arithmetic number, because the mean of its divisors is an integer number (392681993760).

Almost surely, 2^{11201002202221} is an apocalyptic number.

It is an amenable number.

11201002202221 is a deficient number, since it is larger than the sum of its proper divisors (1364821598099).

11201002202221 is a wasteful number, since it uses less digits than its factorization.

11201002202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332917.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11201002202221 its reverse (12220220010211), we get a palindrome (23421222212432).

The spelling of 11201002202221 in words is "eleven trillion, two hundred one billion, two million, two hundred two thousand, two hundred twenty-one".