11116440121 has 2 divisors, whose sum is σ = 11116440122. Its totient is φ = 11116440120.

The previous prime is 11116440091. The next prime is 11116440151. The reversal of 11116440121 is 12104461111.

It is a balanced prime because it is at equal distance from previous prime (11116440091) and next prime (11116440151).

It can be written as a sum of positive squares in only one way, i.e., 9553107600 + 1563332521 = 97740^2 + 39539^2 .

It is an emirp because it is prime and its reverse (12104461111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11116440121 - 2²⁷ = 10982222393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11116440092 and 11116440101.

It is not a weakly prime, because it can be changed into another prime (11116440151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558220060 + 5558220061.

It is an arithmetic number, because the mean of its divisors is an integer number (5558220061).

Almost surely, 2^11116440121 is an apocalyptic number.

It is an amenable number.

11116440121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116440121 is an equidigital number, since it uses as much as digits as its factorization.

11116440121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

The spelling of 11116440121 in words is "eleven billion, one hundred sixteen million, four hundred forty thousand, one hundred twenty-one".