11220300302221 has 2 divisors, whose sum is σ = 11220300302222. Its totient is φ = 11220300302220.

The previous prime is 11220300302207. The next prime is 11220300302231. The reversal of 11220300302221 is 12220300302211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10424413286596 + 795887015625 = 3228686^2 + 892125^2 .

It is an emirp because it is prime and its reverse (12220300302211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220300302221 - 2¹³ = 11220300294029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220300302201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610150151110 + 5610150151111.

It is an arithmetic number, because the mean of its divisors is an integer number (5610150151111).

Almost surely, 2^{11220300302221} is an apocalyptic number.

It is an amenable number.

11220300302221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220300302221 is an equidigital number, since it uses as much as digits as its factorization.

11220300302221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11220300302221 its reverse (12220300302211), we get a palindrome (23440600604432).

The spelling of 11220300302221 in words is "eleven trillion, two hundred twenty billion, three hundred million, three hundred two thousand, two hundred twenty-one".