3301331320021 has 4 divisors (see below), whose sum is σ = 3772950080032. Its totient is φ = 2829712560012.

The previous prime is 3301331320003. The next prime is 3301331320039. The reversal of 3301331320021 is 1200231331033.

3301331320021 is digitally balanced in base 3, 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 Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3301331320003) and next prime (3301331320039).

It is a cyclic number.

It is not a de Polignac number, because 3301331320021 - 2⁵ = 3301331319989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3301331319974 and 3301331320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3301331350021) 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, 235809379995 + ... + 235809380008.

It is an arithmetic number, because the mean of its divisors is an integer number (943237520008).

Almost surely, 2^{3301331320021} is an apocalyptic number.

It is an amenable number.

3301331320021 is a deficient number, since it is larger than the sum of its proper divisors (471618760011).

3301331320021 is an equidigital number, since it uses as much as digits as its factorization.

3301331320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471618760010.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 3301331320021 its reverse (1200231331033), we get a palindrome (4501562651054).

The spelling of 3301331320021 in words is "three trillion, three hundred one billion, three hundred thirty-one million, three hundred twenty thousand, twenty-one".