11122222220201 has 2 divisors, whose sum is σ = 11122222220202. Its totient is φ = 11122222220200.

The previous prime is 11122222220183. The next prime is 11122222220251. The reversal of 11122222220201 is 10202222222111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6036750720400 + 5085471499801 = 2456980^2 + 2255099^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122222220201 - 2³⁸ = 10847344313257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11122222220251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561111110100 + 5561111110101.

It is an arithmetic number, because the mean of its divisors is an integer number (5561111110101).

Almost surely, 2^{11122222220201} is an apocalyptic number.

It is an amenable number.

11122222220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122222220201 is an equidigital number, since it uses as much as digits as its factorization.

11122222220201 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 20.

Adding to 11122222220201 its reverse (10202222222111), we get a palindrome (21324444442312).

The spelling of 11122222220201 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred one".