11113421012117 has 2 divisors, whose sum is σ = 11113421012118. Its totient is φ = 11113421012116.

The previous prime is 11113421012051. The next prime is 11113421012123. The reversal of 11113421012117 is 71121012431111.

11113421012117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10905059802961 + 208361209156 = 3302281^2 + 456466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11113421012117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113421012167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556710506058 + 5556710506059.

It is an arithmetic number, because the mean of its divisors is an integer number (5556710506059).

Almost surely, 2^{11113421012117} is an apocalyptic number.

It is an amenable number.

11113421012117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113421012117 is an equidigital number, since it uses as much as digits as its factorization.

11113421012117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 11113421012117 its reverse (71121012431111), we get a palindrome (82234433443228).

The spelling of 11113421012117 in words is "eleven trillion, one hundred thirteen billion, four hundred twenty-one million, twelve thousand, one hundred seventeen".