3331223320021 has 16 divisors (see below), whose sum is σ = 3564354456000. Its totient is φ = 3103881811200.

The previous prime is 3331223320013. The next prime is 3331223320049. The reversal of 3331223320021 is 1200233221333.

It is a cyclic number.

It is not a de Polignac number, because 3331223320021 - 2³ = 3331223320013 is a prime.

It is a super-2 number, since 2×3331223320021² (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 (3331223320001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13436301 + ... + 13681981.

It is an arithmetic number, because the mean of its divisors is an integer number (222772153500).

Almost surely, 2^{3331223320021} is an apocalyptic number.

It is an amenable number.

3331223320021 is a deficient number, since it is larger than the sum of its proper divisors (233131135979).

3331223320021 is a wasteful number, since it uses less digits than its factorization.

3331223320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257460.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 3331223320021 its reverse (1200233221333), we get a palindrome (4531456541354).

The spelling of 3331223320021 in words is "three trillion, three hundred thirty-one billion, two hundred twenty-three million, three hundred twenty thousand, twenty-one".