3001120021 has 2 divisors, whose sum is σ = 3001120022. Its totient is φ = 3001120020.

The previous prime is 3001119997. The next prime is 3001120033. The reversal of 3001120021 is 1200211003.

3001120021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2831729796 + 169390225 = 53214^2 + 13015^2 .

It is an emirp because it is prime and its reverse (1200211003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3001120021 - 2⁹ = 3001119509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3001120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500560010 + 1500560011.

It is an arithmetic number, because the mean of its divisors is an integer number (1500560011).

Almost surely, 2^3001120021 is an apocalyptic number.

It is an amenable number.

3001120021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3001120021 is an equidigital number, since it uses as much as digits as its factorization.

3001120021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 3001120021 is about 54782.4791425142. The cubic root of 3001120021 is about 1442.4290312877.

Adding to 3001120021 its reverse (1200211003), we get a palindrome (4201331024).

The spelling of 3001120021 in words is "three billion, one million, one hundred twenty thousand, twenty-one".