3221001011223 has 320 divisors, whose sum is σ = 5574018447360. Its totient is φ = 1843010039808.

The previous prime is 3221001011201. The next prime is 3221001011233. The reversal of 3221001011223 is 3221101001223.

3221001011223 is a `hidden beast` number, since 322 + 100 + 10 + 11 + 223 = 666.

It is not a de Polignac number, because 3221001011223 - 2²¹ = 3220998914071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221001011196 and 3221001011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221001011233) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 8635391265 + ... + 8635391637.

It is an arithmetic number, because the mean of its divisors is an integer number (17418807648).

Almost surely, 2^{3221001011223} is an apocalyptic number.

3221001011223 is a deficient number, since it is larger than the sum of its proper divisors (2353017436137).

3221001011223 is a wasteful number, since it uses less digits than its factorization.

3221001011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 619 counting only the distinct ones).

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

Adding to 3221001011223 its reverse (3221101001223), we get a palindrome (6442102012446).

The spelling of 3221001011223 in words is "three trillion, two hundred twenty-one billion, one million, eleven thousand, two hundred twenty-three".