3221011133220 has 96 divisors (see below), whose sum is σ = 9072540562176. Its totient is φ = 853825190400.

The previous prime is 3221011133173. The next prime is 3221011133243. The reversal of 3221011133220 is 223311101223.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25795377 + ... + 25919943.

It is an arithmetic number, because the mean of its divisors is an integer number (94505630856).

Almost surely, 2^{3221011133220} is an apocalyptic number.

3221011133220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3221011133220 is an abundant number, since it is smaller than the sum of its proper divisors (5851529428956).

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

3221011133220 is a wasteful number, since it uses less digits than its factorization.

3221011133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127141 (or 127139 counting only the distinct ones).

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

Adding to 3221011133220 its reverse (223311101223), we get a palindrome (3444322234443).

The spelling of 3221011133220 in words is "three trillion, two hundred twenty-one billion, eleven million, one hundred thirty-three thousand, two hundred twenty".