11011112117 has 2 divisors, whose sum is σ = 11011112118. Its totient is φ = 11011112116.

The previous prime is 11011112113. The next prime is 11011112141. The reversal of 11011112117 is 71121111011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9336583876 + 1674528241 = 96626^2 + 40921^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011112117 - 2² = 11011112113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011112095 and 11011112104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011112113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505556058 + 5505556059.

It is an arithmetic number, because the mean of its divisors is an integer number (5505556059).

Almost surely, 2^11011112117 is an apocalyptic number.

It is an amenable number.

11011112117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011112117 is an equidigital number, since it uses as much as digits as its factorization.

11011112117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 17.

Adding to 11011112117 its reverse (71121111011), we get a palindrome (82132223128).

The spelling of 11011112117 in words is "eleven billion, eleven million, one hundred twelve thousand, one hundred seventeen".