5004121522021 has 2 divisors, whose sum is σ = 5004121522022. Its totient is φ = 5004121522020.

The previous prime is 5004121521947. The next prime is 5004121522039. The reversal of 5004121522021 is 1202251214005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4213597817025 + 790523704996 = 2052705^2 + 889114^2 .

It is a cyclic number.

It is not a de Polignac number, because 5004121522021 - 2¹⁵ = 5004121489253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5004121525021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502060761010 + 2502060761011.

It is an arithmetic number, because the mean of its divisors is an integer number (2502060761011).

Almost surely, 2^{5004121522021} is an apocalyptic number.

It is an amenable number.

5004121522021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5004121522021 is an equidigital number, since it uses as much as digits as its factorization.

5004121522021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 5004121522021 its reverse (1202251214005), we get a palindrome (6206372736026).

The spelling of 5004121522021 in words is "five trillion, four billion, one hundred twenty-one million, five hundred twenty-two thousand, twenty-one".