1122171065617 has 4 divisors (see below), whose sum is σ = 1282481217856. Its totient is φ = 961860913380.

The previous prime is 1122171065563. The next prime is 1122171065663. The reversal of 1122171065617 is 7165601712211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1122171065617 - 2³⁹ = 572415251729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122171065617.

It is not an unprimeable number, because it can be changed into a prime (1122171066617) 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 in 3 ways as a sum of consecutive naturals, for example, 80155076109 + ... + 80155076122.

It is an arithmetic number, because the mean of its divisors is an integer number (320620304464).

Almost surely, 2^{1122171065617} is an apocalyptic number.

It is an amenable number.

1122171065617 is a deficient number, since it is larger than the sum of its proper divisors (160310152239).

1122171065617 is an equidigital number, since it uses as much as digits as its factorization.

1122171065617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160310152238.

The product of its (nonzero) digits is 35280, while the sum is 40.

Adding to 1122171065617 its reverse (7165601712211), we get a palindrome (8287772777828).

The spelling of 1122171065617 in words is "one trillion, one hundred twenty-two billion, one hundred seventy-one million, sixty-five thousand, six hundred seventeen".