11120201020121 has 2 divisors, whose sum is σ = 11120201020122. Its totient is φ = 11120201020120.

The previous prime is 11120201020063. The next prime is 11120201020147. The reversal of 11120201020121 is 12102010202111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10046364160000 + 1073836860121 = 3169600^2 + 1036261^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120201020121 - 2¹⁰ = 11120201019097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11120201020096 and 11120201020105.

It is not a weakly prime, because it can be changed into another prime (11120201020321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560100510060 + 5560100510061.

It is an arithmetic number, because the mean of its divisors is an integer number (5560100510061).

Almost surely, 2^{11120201020121} is an apocalyptic number.

It is an amenable number.

11120201020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120201020121 is an equidigital number, since it uses as much as digits as its factorization.

11120201020121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11120201020121 its reverse (12102010202111), we get a palindrome (23222211222232).

The spelling of 11120201020121 in words is "eleven trillion, one hundred twenty billion, two hundred one million, twenty thousand, one hundred twenty-one".