11201020222201 has 2 divisors, whose sum is σ = 11201020222202. Its totient is φ = 11201020222200.

The previous prime is 11201020222199. The next prime is 11201020222277. The reversal of 11201020222201 is 10222202010211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8062896546576 + 3138123675625 = 2839524^2 + 1771475^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201020222201 - 2¹ = 11201020222199 is a prime.

Together with 11201020222199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11201020222291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600510111100 + 5600510111101.

It is an arithmetic number, because the mean of its divisors is an integer number (5600510111101).

Almost surely, 2^{11201020222201} is an apocalyptic number.

It is an amenable number.

11201020222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201020222201 is an equidigital number, since it uses as much as digits as its factorization.

11201020222201 is an evil number, because the sum of its binary digits is even.

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

Adding to 11201020222201 its reverse (10222202010211), we get a palindrome (21423222232412).

The spelling of 11201020222201 in words is "eleven trillion, two hundred one billion, twenty million, two hundred twenty-two thousand, two hundred one".