11120101020121 has 2 divisors, whose sum is σ = 11120101020122. Its totient is φ = 11120101020120.

The previous prime is 11120101020101. The next prime is 11120101020131. The reversal of 11120101020121 is 12102010102111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10897162177225 + 222938842896 = 3301085^2 + 472164^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120101020121 - 2¹⁵ = 11120100987353 is a prime.

It is a super-2 number, since 2×11120101020121² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11120101020101) 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, 5560050510060 + 5560050510061.

It is an arithmetic number, because the mean of its divisors is an integer number (5560050510061).

Almost surely, 2^{11120101020121} is an apocalyptic number.

It is an amenable number.

11120101020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120101020121 is an equidigital number, since it uses as much as digits as its factorization.

11120101020121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11120101020121 its reverse (12102010102111), we get a palindrome (23222111122232).

The spelling of 11120101020121 in words is "eleven trillion, one hundred twenty billion, one hundred one million, twenty thousand, one hundred twenty-one".