17042103121 has 4 divisors (see below), whose sum is σ = 17043145200. Its totient is φ = 17041061044.

The previous prime is 17042103077. The next prime is 17042103131. The reversal of 17042103121 is 12130124071.

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 17042103121 - 2¹¹ = 17042101073 is a prime.

It is a super-3 number, since 3×17042103121³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17042103092 and 17042103101.

It is not an unprimeable number, because it can be changed into a prime (17042103131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496111 + ... + 529348.

It is an arithmetic number, because the mean of its divisors is an integer number (4260786300).

Almost surely, 2^17042103121 is an apocalyptic number.

It is an amenable number.

17042103121 is a deficient number, since it is larger than the sum of its proper divisors (1042079).

17042103121 is a wasteful number, since it uses less digits than its factorization.

17042103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042078.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 17042103121 its reverse (12130124071), we get a palindrome (29172227192).

The spelling of 17042103121 in words is "seventeen billion, forty-two million, one hundred three thousand, one hundred twenty-one".