11220182117 has 2 divisors, whose sum is σ = 11220182118. Its totient is φ = 11220182116.

The previous prime is 11220182101. The next prime is 11220182137. The reversal of 11220182117 is 71128102211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9760254436 + 1459927681 = 98794^2 + 38209^2 .

It is an emirp because it is prime and its reverse (71128102211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220182117 - 2⁴ = 11220182101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220182137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610091058 + 5610091059.

It is an arithmetic number, because the mean of its divisors is an integer number (5610091059).

Almost surely, 2^11220182117 is an apocalyptic number.

It is an amenable number.

11220182117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220182117 is an equidigital number, since it uses as much as digits as its factorization.

11220182117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 26.

Adding to 11220182117 its reverse (71128102211), we get a palindrome (82348284328).

The spelling of 11220182117 in words is "eleven billion, two hundred twenty million, one hundred eighty-two thousand, one hundred seventeen".