3221013123021 has 16 divisors (see below), whose sum is σ = 4509953587584. Its totient is φ = 2040896704704.

The previous prime is 3221013123001. The next prime is 3221013123049. The reversal of 3221013123021 is 1203213101223.

It is not a de Polignac number, because 3221013123021 - 2¹⁴ = 3221013106637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221013123001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148655886 + ... + 148677551.

It is an arithmetic number, because the mean of its divisors is an integer number (281872099224).

Almost surely, 2^{3221013123021} is an apocalyptic number.

It is an amenable number.

3221013123021 is a deficient number, since it is larger than the sum of its proper divisors (1288940464563).

3221013123021 is a wasteful number, since it uses less digits than its factorization.

3221013123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297333620.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3221013123021 its reverse (1203213101223), we get a palindrome (4424226224244).

The spelling of 3221013123021 in words is "three trillion, two hundred twenty-one billion, thirteen million, one hundred twenty-three thousand, twenty-one".