11212354117 has 2 divisors, whose sum is σ = 11212354118. Its totient is φ = 11212354116.

The previous prime is 11212354079. The next prime is 11212354177. The reversal of 11212354117 is 71145321211.

11212354117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11131516036 + 80838081 = 105506^2 + 8991^2 .

It is an emirp because it is prime and its reverse (71145321211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212354117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212354177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606177058 + 5606177059.

It is an arithmetic number, because the mean of its divisors is an integer number (5606177059).

Almost surely, 2^11212354117 is an apocalyptic number.

It is an amenable number.

11212354117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212354117 is an equidigital number, since it uses as much as digits as its factorization.

11212354117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 28.

Adding to 11212354117 its reverse (71145321211), we get a palindrome (82357675328).

The spelling of 11212354117 in words is "eleven billion, two hundred twelve million, three hundred fifty-four thousand, one hundred seventeen".