11420422201 has 2 divisors, whose sum is σ = 11420422202. Its totient is φ = 11420422200.

The previous prime is 11420422177. The next prime is 11420422213. The reversal of 11420422201 is 10222402411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6127132176 + 5293290025 = 78276^2 + 72755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11420422201 - 2²⁵ = 11386867769 is a prime.

It is not a weakly prime, because it can be changed into another prime (11420422271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710211100 + 5710211101.

It is an arithmetic number, because the mean of its divisors is an integer number (5710211101).

Almost surely, 2^11420422201 is an apocalyptic number.

It is an amenable number.

11420422201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420422201 is an equidigital number, since it uses as much as digits as its factorization.

11420422201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11420422201 its reverse (10222402411), we get a palindrome (21642824612).

The spelling of 11420422201 in words is "eleven billion, four hundred twenty million, four hundred twenty-two thousand, two hundred one".