321201133321 has 8 divisors (see below), whose sum is σ = 351822742920. Its totient is φ = 291882571008.

The previous prime is 321201133283. The next prime is 321201133327. The reversal of 321201133321 is 123331102123.

It can be written as a sum of positive squares in 4 ways, for example, as 42834097296 + 278367036025 = 206964^2 + 527605^2 .

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 321201133321 - 2¹⁷ = 321201002249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321201133292 and 321201133301.

It is not an unprimeable number, because it can be changed into a prime (321201133327) 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, 325761306 + ... + 325762291.

It is an arithmetic number, because the mean of its divisors is an integer number (43977842865).

Almost surely, 2^321201133321 is an apocalyptic number.

It is an amenable number.

321201133321 is a deficient number, since it is larger than the sum of its proper divisors (30621609599).

321201133321 is a wasteful number, since it uses less digits than its factorization.

321201133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651523643.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321201133321 its reverse (123331102123), we get a palindrome (444532235444).

The spelling of 321201133321 in words is "three hundred twenty-one billion, two hundred one million, one hundred thirty-three thousand, three hundred twenty-one".