3324120021 has 12 divisors (see below), whose sum is σ = 4802304780. Its totient is φ = 2215711680.

The previous prime is 3324120017. The next prime is 3324120083. The reversal of 3324120021 is 1200214233.

It can be written as a sum of positive squares in 2 ways, for example, as 2453220900 + 870899121 = 49530^2 + 29511^2 .

It is not a de Polignac number, because 3324120021 - 2² = 3324120017 is a prime.

It is a super-2 number, since 2×3324120021² = 22099547828026080882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3324119976 and 3324120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3324120001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33535 + ... + 88163.

It is an arithmetic number, because the mean of its divisors is an integer number (400192065).

Almost surely, 2^3324120021 is an apocalyptic number.

It is an amenable number.

3324120021 is a deficient number, since it is larger than the sum of its proper divisors (1478184759).

3324120021 is a wasteful number, since it uses less digits than its factorization.

3324120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61396 (or 61393 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3324120021 is about 57655.1820827929. The cubic root of 3324120021 is about 1492.4240261656.

Adding to 3324120021 its reverse (1200214233), we get a palindrome (4524334254).

The spelling of 3324120021 in words is "three billion, three hundred twenty-four million, one hundred twenty thousand, twenty-one".