320001034121 has 4 divisors (see below), whose sum is σ = 320002881744. Its totient is φ = 319999186500.

The previous prime is 320001034099. The next prime is 320001034141. The reversal of 320001034121 is 121430100023.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121430100023 = 1229 ⋅98803987.

It is a cyclic number.

It is not a de Polignac number, because 320001034121 - 2¹⁸ = 320000771977 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 320001034121.

It is not an unprimeable number, because it can be changed into a prime (320001034141) 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, 633635 + ... + 1020536.

It is an arithmetic number, because the mean of its divisors is an integer number (80000720436).

Almost surely, 2^320001034121 is an apocalyptic number.

It is an amenable number.

320001034121 is a deficient number, since it is larger than the sum of its proper divisors (1847623).

320001034121 is a wasteful number, since it uses less digits than its factorization.

320001034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847622.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320001034121 its reverse (121430100023), we get a palindrome (441431134144).

The spelling of 320001034121 in words is "three hundred twenty billion, one million, thirty-four thousand, one hundred twenty-one".