3221011521217 has 8 divisors (see below), whose sum is σ = 3681195572096. Its totient is φ = 2760837357312.

The previous prime is 3221011521199. The next prime is 3221011521239. The reversal of 3221011521217 is 7121251101223.

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 3221011521217 - 2²³ = 3221003132609 is a prime.

It is a super-2 number, since 2×3221011521217² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3221011521817) 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, 1759968 + ... + 3088609.

It is an arithmetic number, because the mean of its divisors is an integer number (460149446512).

Almost surely, 2^{3221011521217} is an apocalyptic number.

It is an amenable number.

3221011521217 is a deficient number, since it is larger than the sum of its proper divisors (460184050879).

3221011521217 is an equidigital number, since it uses as much as digits as its factorization.

3221011521217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943487.

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 3221011521217 in words is "three trillion, two hundred twenty-one billion, eleven million, five hundred twenty-one thousand, two hundred seventeen".