3320121021 has 16 divisors (see below), whose sum is σ = 5060665344. Its totient is φ = 1896674544.

The previous prime is 3320121019. The next prime is 3320121053. The reversal of 3320121021 is 1201210233.

It is not a de Polignac number, because 3320121021 - 2¹ = 3320121019 is a prime.

It is a super-2 number, since 2×3320121021² = 22046407188172164882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60660 + ... + 101586.

It is an arithmetic number, because the mean of its divisors is an integer number (316291584).

Almost surely, 2^3320121021 is an apocalyptic number.

It is an amenable number.

3320121021 is a deficient number, since it is larger than the sum of its proper divisors (1740544323).

3320121021 is a wasteful number, since it uses less digits than its factorization.

3320121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44800.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3320121021 is about 57620.4913290402. The cubic root of 3320121021 is about 1491.8253114638.

Adding to 3320121021 its reverse (1201210233), we get a palindrome (4521331254).

The spelling of 3320121021 in words is "three billion, three hundred twenty million, one hundred twenty-one thousand, twenty-one".