3221021120 has 56 divisors (see below), whose sum is σ = 7677150000. Its totient is φ = 1287217152.

The previous prime is 3221021119. The next prime is 3221021159. The reversal of 3221021120 is 211201223.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3221021095 and 3221021104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395651 + ... + 403709.

Almost surely, 2^3221021120 is an apocalyptic number.

It is an amenable number.

3221021120 is an abundant number, since it is smaller than the sum of its proper divisors (4456128880).

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

3221021120 is a wasteful number, since it uses less digits than its factorization.

3221021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9325 (or 9315 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3221021120 is about 56754.0405610032. The cubic root of 3221021120 is about 1476.8323289817.

Adding to 3221021120 its reverse (211201223), we get a palindrome (3432222343).

The spelling of 3221021120 in words is "three billion, two hundred twenty-one million, twenty-one thousand, one hundred twenty".