17100165121 has 12 divisors (see below), whose sum is σ = 18545662128. Its totient is φ = 15760119024.

The previous prime is 17100165119. The next prime is 17100165127. The reversal of 17100165121 is 12156100171.

It is not a de Polignac number, because 17100165121 - 2¹ = 17100165119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17100165127) 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 in 11 ways as a sum of consecutive naturals, for example, 29986 + ... + 187348.

It is an arithmetic number, because the mean of its divisors is an integer number (1545471844).

Almost surely, 2^17100165121 is an apocalyptic number.

It is an amenable number.

17100165121 is a deficient number, since it is larger than the sum of its proper divisors (1445497007).

17100165121 is a wasteful number, since it uses less digits than its factorization.

17100165121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158032 (or 158019 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 25.

Adding to 17100165121 its reverse (12156100171), we get a palindrome (29256265292).

The spelling of 17100165121 in words is "seventeen billion, one hundred million, one hundred sixty-five thousand, one hundred twenty-one".