3321423121 has 4 divisors (see below), whose sum is σ = 3321539892. Its totient is φ = 3321306352.

The previous prime is 3321423107. The next prime is 3321423137. The reversal of 3321423121 is 1213241233.

3321423121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2855726721 + 465696400 = 53439^2 + 21580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3321423121 is a prime.

It is a super-2 number, since 2×3321423121² = 22063703097426761282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3321423092 and 3321423101.

It is not an unprimeable number, because it can be changed into a prime (3321423191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15171 + ... + 82903.

It is an arithmetic number, because the mean of its divisors is an integer number (830384973).

Almost surely, 2^3321423121 is an apocalyptic number.

It is an amenable number.

3321423121 is a deficient number, since it is larger than the sum of its proper divisors (116771).

3321423121 is an equidigital number, since it uses as much as digits as its factorization.

3321423121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116770.

The product of its digits is 864, while the sum is 22.

The square root of 3321423121 is about 57631.7891532095. The cubic root of 3321423121 is about 1492.0203095619.

Adding to 3321423121 its reverse (1213241233), we get a palindrome (4534664354).

The spelling of 3321423121 in words is "three billion, three hundred twenty-one million, four hundred twenty-three thousand, one hundred twenty-one".