11101221110117 has 2 divisors, whose sum is σ = 11101221110118. Its totient is φ = 11101221110116.

The previous prime is 11101221110071. The next prime is 11101221110141. The reversal of 11101221110117 is 71101112210111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10880702585281 + 220518524836 = 3298591^2 + 469594^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101221110117 - 2²⁰ = 11101220061541 is a prime.

It is a super-2 number, since 2×11101221110117² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101221112117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550610555058 + 5550610555059.

It is an arithmetic number, because the mean of its divisors is an integer number (5550610555059).

Almost surely, 2^{11101221110117} is an apocalyptic number.

It is an amenable number.

11101221110117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101221110117 is an equidigital number, since it uses as much as digits as its factorization.

11101221110117 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 11101221110117 its reverse (71101112210111), we get a palindrome (82202333320228).

The spelling of 11101221110117 in words is "eleven trillion, one hundred one billion, two hundred twenty-one million, one hundred ten thousand, one hundred seventeen".