11011221110117 has 2 divisors, whose sum is σ = 11011221110118. Its totient is φ = 11011221110116.

The previous prime is 11011221110081. The next prime is 11011221110143. The reversal of 11011221110117 is 71101112211011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9346465725601 + 1664755384516 = 3057199^2 + 1290254^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011221110117 - 2¹⁰ = 11011221109093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011221110717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505610555058 + 5505610555059.

It is an arithmetic number, because the mean of its divisors is an integer number (5505610555059).

Almost surely, 2^{11011221110117} is an apocalyptic number.

It is an amenable number.

11011221110117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011221110117 is an equidigital number, since it uses as much as digits as its factorization.

11011221110117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 20.

Adding to 11011221110117 its reverse (71101112211011), we get a palindrome (82112333321128).

The spelling of 11011221110117 in words is "eleven trillion, eleven billion, two hundred twenty-one million, one hundred ten thousand, one hundred seventeen".