321033241221 has 32 divisors (see below), whose sum is σ = 533695423488. Its totient is φ = 166761210240.

The previous prime is 321033241189. The next prime is 321033241223. The reversal of 321033241221 is 122142330123.

It is not a de Polignac number, because 321033241221 - 2⁵ = 321033241189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321033241191 and 321033241200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321033241223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6471705 + ... + 6521121.

It is an arithmetic number, because the mean of its divisors is an integer number (16677981984).

Almost surely, 2^321033241221 is an apocalyptic number.

It is an amenable number.

321033241221 is a deficient number, since it is larger than the sum of its proper divisors (212662182267).

321033241221 is a wasteful number, since it uses less digits than its factorization.

321033241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77561.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 321033241221 its reverse (122142330123), we get a palindrome (443175571344).

The spelling of 321033241221 in words is "three hundred twenty-one billion, thirty-three million, two hundred forty-one thousand, two hundred twenty-one".