3002210021 has 2 divisors, whose sum is σ = 3002210022. Its totient is φ = 3002210020.

The previous prime is 3002210009. The next prime is 3002210027. The reversal of 3002210021 is 1200122003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2667722500 + 334487521 = 51650^2 + 18289^2 .

It is a cyclic number.

It is not a de Polignac number, because 3002210021 - 2¹⁰ = 3002208997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3002209984 and 3002210011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3002210027) 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 as a sum of consecutive naturals, namely, 1501105010 + 1501105011.

It is an arithmetic number, because the mean of its divisors is an integer number (1501105011).

Almost surely, 2^3002210021 is an apocalyptic number.

It is an amenable number.

3002210021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3002210021 is an equidigital number, since it uses as much as digits as its factorization.

3002210021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 3002210021 is about 54792.4266755909. The cubic root of 3002210021 is about 1442.6036391370.

Adding to 3002210021 its reverse (1200122003), we get a palindrome (4202332024).

The spelling of 3002210021 in words is "three billion, two million, two hundred ten thousand, twenty-one".