321204121141 has 8 divisors (see below), whose sum is σ = 325145703960. Its totient is φ = 317269928448.

The previous prime is 321204121081. The next prime is 321204121171. The reversal of 321204121141 is 141121402123.

It can be written as a sum of positive squares in 4 ways, for example, as 57758028241 + 263446092900 = 240329^2 + 513270^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321204121141 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 (321204121171) 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 7 ways as a sum of consecutive naturals, for example, 1760046 + ... + 1933951.

It is an arithmetic number, because the mean of its divisors is an integer number (40643212995).

Almost surely, 2^321204121141 is an apocalyptic number.

It is an amenable number.

321204121141 is a deficient number, since it is larger than the sum of its proper divisors (3941582819).

321204121141 is an equidigital number, since it uses as much as digits as its factorization.

321204121141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695063.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 321204121141 its reverse (141121402123), we get a palindrome (462325523264).

The spelling of 321204121141 in words is "three hundred twenty-one billion, two hundred four million, one hundred twenty-one thousand, one hundred forty-one".