3323201021 has 12 divisors (see below), whose sum is σ = 4093163388. Its totient is φ = 2680900992.

The previous prime is 3323201017. The next prime is 3323201029. The reversal of 3323201021 is 1201023233.

It can be written as a sum of positive squares in 2 ways, for example, as 2459664025 + 863536996 = 49595^2 + 29386^2 .

It is not a de Polignac number, because 3323201021 - 2² = 3323201017 is a prime.

It is a super-2 number, since 2×3323201021² = 22087330051950884882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3323201029) 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, 1993886 + ... + 1995551.

It is an arithmetic number, because the mean of its divisors is an integer number (341096949).

Almost surely, 2^3323201021 is an apocalyptic number.

It is an amenable number.

3323201021 is a deficient number, since it is larger than the sum of its proper divisors (769962367).

3323201021 is a wasteful number, since it uses less digits than its factorization.

3323201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989468 (or 3989461 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3323201021 is about 57647.2117365619. The cubic root of 3323201021 is about 1492.2864795784.

Adding to 3323201021 its reverse (1201023233), we get a palindrome (4524224254).

The spelling of 3323201021 in words is "three billion, three hundred twenty-three million, two hundred one thousand, twenty-one".