3211322220321 has 4 divisors (see below), whose sum is σ = 4281762960432. Its totient is φ = 2140881480212.

The previous prime is 3211322220319. The next prime is 3211322220341. The reversal of 3211322220321 is 1230222231123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3211322220321 - 2¹ = 3211322220319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3211322220291 and 3211322220300.

It is not an unprimeable number, because it can be changed into a prime (3211322220341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535220370051 + ... + 535220370056.

It is an arithmetic number, because the mean of its divisors is an integer number (1070440740108).

Almost surely, 2^{3211322220321} is an apocalyptic number.

It is an amenable number.

3211322220321 is a deficient number, since it is larger than the sum of its proper divisors (1070440740111).

3211322220321 is a wasteful number, since it uses less digits than its factorization.

3211322220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070440740110.

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

Adding to 3211322220321 its reverse (1230222231123), we get a palindrome (4441544451444).

The spelling of 3211322220321 in words is "three trillion, two hundred eleven billion, three hundred twenty-two million, two hundred twenty thousand, three hundred twenty-one".