333020031221 has 4 divisors (see below), whose sum is σ = 333047186700. Its totient is φ = 332992875744.

The previous prime is 333020031203. The next prime is 333020031247. The reversal of 333020031221 is 122130020333.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 268516730596 + 64503300625 = 518186^2 + 253975^2 .

It is a cyclic number.

It is not a de Polignac number, because 333020031221 - 2¹⁴ = 333020014837 is a prime.

It is a super-2 number, since 2×333020031221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 333020031193 and 333020031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333020033221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13559336 + ... + 13583873.

It is an arithmetic number, because the mean of its divisors is an integer number (83261796675).

Almost surely, 2^333020031221 is an apocalyptic number.

It is an amenable number.

333020031221 is a deficient number, since it is larger than the sum of its proper divisors (27155479).

333020031221 is a wasteful number, since it uses less digits than its factorization.

333020031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27155478.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 333020031221 its reverse (122130020333), we get a palindrome (455150051554).

The spelling of 333020031221 in words is "three hundred thirty-three billion, twenty million, thirty-one thousand, two hundred twenty-one".