3221031123020 has 12 divisors (see below), whose sum is σ = 6764165358384. Its totient is φ = 1288412449200.

The previous prime is 3221031123001. The next prime is 3221031123043. The reversal of 3221031123020 is 203211301223.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 161051556151 = 3221031123020 / (3 + 2 + 2 + 1 + 0 + 3 + 1 + 1 + 2 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 3221031122983 and 3221031123001.

It is an unprimeable number.

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, 80525778056 + ... + 80525778095.

It is an arithmetic number, because the mean of its divisors is an integer number (563680446532).

Almost surely, 2^{3221031123020} is an apocalyptic number.

It is an amenable number.

3221031123020 is an abundant number, since it is smaller than the sum of its proper divisors (3543134235364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221031123020 is a wasteful number, since it uses less digits than its factorization.

3221031123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161051556160 (or 161051556158 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3221031123020 its reverse (203211301223), we get a palindrome (3424242424243).

The spelling of 3221031123020 in words is "three trillion, two hundred twenty-one billion, thirty-one million, one hundred twenty-three thousand, twenty".