321121332203 has 8 divisors (see below), whose sum is σ = 367025741280. Its totient is φ = 275224406400.

The previous prime is 321121332187. The next prime is 321121332247. The reversal of 321121332203 is 302233121123.

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 321121332203 - 2⁴ = 321121332187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321121332263) 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, 1778558 + ... + 1950771.

It is an arithmetic number, because the mean of its divisors is an integer number (45878217660).

Almost surely, 2^321121332203 is an apocalyptic number.

321121332203 is a deficient number, since it is larger than the sum of its proper divisors (45904409077).

321121332203 is a wasteful number, since it uses less digits than its factorization.

321121332203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741637.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321121332203 its reverse (302233121123), we get a palindrome (623354453326).

The spelling of 321121332203 in words is "three hundred twenty-one billion, one hundred twenty-one million, three hundred thirty-two thousand, two hundred three".