11313103121 has 2 divisors, whose sum is σ = 11313103122. Its totient is φ = 11313103120.

The previous prime is 11313103111. The next prime is 11313103129. The reversal of 11313103121 is 12130131311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10853472400 + 459630721 = 104180^2 + 21439^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313103121 - 2²⁶ = 11245994257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11313103121.

It is not a weakly prime, because it can be changed into another prime (11313103129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656551560 + 5656551561.

It is an arithmetic number, because the mean of its divisors is an integer number (5656551561).

Almost surely, 2^11313103121 is an apocalyptic number.

It is an amenable number.

11313103121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313103121 is an equidigital number, since it uses as much as digits as its factorization.

11313103121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11313103121 its reverse (12130131311), we get a palindrome (23443234432).

The spelling of 11313103121 in words is "eleven billion, three hundred thirteen million, one hundred three thousand, one hundred twenty-one".