3321130021 has 16 divisors (see below), whose sum is σ = 3652162560. Its totient is φ = 2995035120.

The previous prime is 3321129943. The next prime is 3321130031. The reversal of 3321130021 is 1200311233.

3321130021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3321130021 - 2²¹ = 3319032869 is a prime.

It is a super-2 number, since 2×3321130021² = 22059809232774920882, 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 = 3321129977 and 3321130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321130031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909826 + ... + 913468.

It is an arithmetic number, because the mean of its divisors is an integer number (228260160).

Almost surely, 2^3321130021 is an apocalyptic number.

It is an amenable number.

3321130021 is a deficient number, since it is larger than the sum of its proper divisors (331032539).

3321130021 is a wasteful number, since it uses less digits than its factorization.

3321130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3321130021 is about 57629.2462296706. The cubic root of 3321130021 is about 1491.9764203412.

Adding to 3321130021 its reverse (1200311233), we get a palindrome (4521441254).

The spelling of 3321130021 in words is "three billion, three hundred twenty-one million, one hundred thirty thousand, twenty-one".