321224001011321 has 16 divisors (see below), whose sum is σ = 325803548544000. Its totient is φ = 316649313400320.

The previous prime is 321224001011297. The next prime is 321224001011327. The reversal of 321224001011321 is 123110100422123.

It is a cyclic number.

It is not a de Polignac number, because 321224001011321 - 2¹⁸ = 321224000749177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321224001011327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3817554176 + ... + 3817638318.

It is an arithmetic number, because the mean of its divisors is an integer number (20362721784000).

Almost surely, 2^{321224001011321} is an apocalyptic number.

It is an amenable number.

321224001011321 is a deficient number, since it is larger than the sum of its proper divisors (4579547532679).

321224001011321 is a wasteful number, since it uses less digits than its factorization.

321224001011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112376.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 321224001011321 its reverse (123110100422123), we get a palindrome (444334101433444).

The spelling of 321224001011321 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, one million, eleven thousand, three hundred twenty-one".