3333231332221 has 6 divisors (see below), whose sum is σ = 3877432366110. Its totient is φ = 2857055427576.

The previous prime is 3333231332201. The next prime is 3333231332227. The reversal of 3333231332221 is 1222331323333.

It can be written as a sum of positive squares in only one way, i.e., 2275614488196 + 1057616844025 = 1508514^2 + 1028405^2 .

It is not a de Polignac number, because 3333231332221 - 2¹³ = 3333231324029 is a prime.

It is a super-2 number, since 2×3333231332221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3333231332227) 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, 34012564566 + ... + 34012564663.

It is an arithmetic number, because the mean of its divisors is an integer number (646238727685).

Almost surely, 2^{3333231332221} is an apocalyptic number.

It is an amenable number.

3333231332221 is a deficient number, since it is larger than the sum of its proper divisors (544201033889).

3333231332221 is an equidigital number, since it uses as much as digits as its factorization.

3333231332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68025129243 (or 68025129236 counting only the distinct ones).

The product of its digits is 34992, while the sum is 31.

Adding to 3333231332221 its reverse (1222331323333), we get a palindrome (4555562655554).

The spelling of 3333231332221 in words is "three trillion, three hundred thirty-three billion, two hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-one".