3301204021 has 4 divisors (see below), whose sum is σ = 3301318944. Its totient is φ = 3301089100.

The previous prime is 3301204019. The next prime is 3301204033. The reversal of 3301204021 is 1204021033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3301204021 - 2¹ = 3301204019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3301203986 and 3301204004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3308204021) 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, 27606 + ... + 85816.

It is an arithmetic number, because the mean of its divisors is an integer number (825329736).

Almost surely, 2^3301204021 is an apocalyptic number.

It is an amenable number.

3301204021 is a deficient number, since it is larger than the sum of its proper divisors (114923).

3301204021 is an equidigital number, since it uses as much as digits as its factorization.

3301204021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114922.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3301204021 is about 57456.1051673362. The cubic root of 3301204021 is about 1488.9865969122.

Adding to 3301204021 its reverse (1204021033), we get a palindrome (4505225054).

The spelling of 3301204021 in words is "three billion, three hundred one million, two hundred four thousand, twenty-one".