3023021021 has 2 divisors, whose sum is σ = 3023021022. Its totient is φ = 3023021020.

The previous prime is 3023021009. The next prime is 3023021033. The reversal of 3023021021 is 1201203203.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (3023021009) and next prime (3023021033).

It can be written as a sum of positive squares in only one way, i.e., 2969160100 + 53860921 = 54490^2 + 7339^2 .

It is a cyclic number.

It is not a de Polignac number, because 3023021021 - 2¹⁰ = 3023019997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3023020987 and 3023021005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3023021041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1511510510 + 1511510511.

It is an arithmetic number, because the mean of its divisors is an integer number (1511510511).

Almost surely, 2^3023021021 is an apocalyptic number.

It is an amenable number.

3023021021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3023021021 is an equidigital number, since it uses as much as digits as its factorization.

3023021021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3023021021 is about 54982.0063384377. The cubic root of 3023021021 is about 1445.9292914862.

Adding to 3023021021 its reverse (1201203203), we get a palindrome (4224224224).

The spelling of 3023021021 in words is "three billion, twenty-three million, twenty-one thousand, twenty-one".