17104100221 has 8 divisors (see below), whose sum is σ = 18420925824. Its totient is φ = 15787435440.

The previous prime is 17104100203. The next prime is 17104100263. The reversal of 17104100221 is 12200140171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 17104100221 - 2⁹ = 17104099709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17104100621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268560 + ... + 326086.

It is an arithmetic number, because the mean of its divisors is an integer number (2302615728).

Almost surely, 2^17104100221 is an apocalyptic number.

It is an amenable number.

17104100221 is a deficient number, since it is larger than the sum of its proper divisors (1316825603).

17104100221 is a wasteful number, since it uses less digits than its factorization.

17104100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80411.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 17104100221 its reverse (12200140171), we get a palindrome (29304240392).

The spelling of 17104100221 in words is "seventeen billion, one hundred four million, one hundred thousand, two hundred twenty-one".