11214421117 has 2 divisors, whose sum is σ = 11214421118. Its totient is φ = 11214421116.

The previous prime is 11214421051. The next prime is 11214421123. The reversal of 11214421117 is 71112441211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10903745241 + 310675876 = 104421^2 + 17626^2 .

It is a cyclic number.

It is not a de Polignac number, because 11214421117 - 2⁷ = 11214420989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11214421091 and 11214421100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11214421187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607210558 + 5607210559.

It is an arithmetic number, because the mean of its divisors is an integer number (5607210559).

Almost surely, 2^11214421117 is an apocalyptic number.

It is an amenable number.

11214421117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11214421117 is an equidigital number, since it uses as much as digits as its factorization.

11214421117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 25.

Adding to 11214421117 its reverse (71112441211), we get a palindrome (82326862328).

The spelling of 11214421117 in words is "eleven billion, two hundred fourteen million, four hundred twenty-one thousand, one hundred seventeen".