321003121104 has 30 divisors (see below), whose sum is σ = 898362901826. Its totient is φ = 107001040320.

The previous prime is 321003121099. The next prime is 321003121123. The reversal of 321003121104 is 401121300123.

It can be written as a sum of positive squares in only one way, i.e., 319383219600 + 1619901504 = 565140^2 + 40248^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114594027 + ... + 1114594314.

Almost surely, 2^321003121104 is an apocalyptic number.

It is an amenable number.

321003121104 is an abundant number, since it is smaller than the sum of its proper divisors (577359780722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321003121104 is a wasteful number, since it uses less digits than its factorization.

321003121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229188355 (or 2229188346 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 321003121104 its reverse (401121300123), we get a palindrome (722124421227).

The spelling of 321003121104 in words is "three hundred twenty-one billion, three million, one hundred twenty-one thousand, one hundred four".