17121106020417 has 32 divisors (see below), whose sum is σ = 26177476915200. Its totient is φ = 9750434771520.

The previous prime is 17121106020379. The next prime is 17121106020437. The reversal of 17121106020417 is 71402060112171.

It is not a de Polignac number, because 17121106020417 - 2⁷ = 17121106020289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17121106020437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40274223 + ... + 40697115.

It is an arithmetic number, because the mean of its divisors is an integer number (818046153600).

Almost surely, 2^{17121106020417} is an apocalyptic number.

It is an amenable number.

17121106020417 is a deficient number, since it is larger than the sum of its proper divisors (9056370894783).

17121106020417 is a wasteful number, since it uses less digits than its factorization.

17121106020417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429413.

The product of its (nonzero) digits is 4704, while the sum is 33.

Adding to 17121106020417 its reverse (71402060112171), we get a palindrome (88523166132588).

The spelling of 17121106020417 in words is "seventeen trillion, one hundred twenty-one billion, one hundred six million, twenty thousand, four hundred seventeen".