3233221312221 has 6 divisors (see below), whose sum is σ = 4670208562110. Its totient is φ = 2155480874808.

The previous prime is 3233221312213. The next prime is 3233221312241. The reversal of 3233221312221 is 1222131223323.

3233221312221 is a `hidden beast` number, since 3 + 2 + 3 + 322 + 1 + 312 + 2 + 21 = 666.

3233221312221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2143629804996 + 1089591507225 = 1464114^2 + 1043835^2 .

It is not a de Polignac number, because 3233221312221 - 2³ = 3233221312213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3233221312241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179623406226 + ... + 179623406243.

It is an arithmetic number, because the mean of its divisors is an integer number (778368093685).

Almost surely, 2^{3233221312221} is an apocalyptic number.

It is an amenable number.

3233221312221 is a deficient number, since it is larger than the sum of its proper divisors (1436987249889).

3233221312221 is a wasteful number, since it uses less digits than its factorization.

3233221312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359246812475 (or 359246812472 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 3233221312221 its reverse (1222131223323), we get a palindrome (4455352535544).

The spelling of 3233221312221 in words is "three trillion, two hundred thirty-three billion, two hundred twenty-one million, three hundred twelve thousand, two hundred twenty-one".