5020344521221 has 4 divisors (see below), whose sum is σ = 5028810532812. Its totient is φ = 5011878509632.

The previous prime is 5020344521201. The next prime is 5020344521237. The reversal of 5020344521221 is 1221254430205.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2025956536321 + 2994387984900 = 1423361^2 + 1730430^2 .

It is a cyclic number.

It is not a de Polignac number, because 5020344521221 - 2⁵ = 5020344521189 is a prime.

It is a super-2 number, since 2×5020344521221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5020344521201) 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 in 3 ways as a sum of consecutive naturals, for example, 4233004906 + ... + 4233006091.

It is an arithmetic number, because the mean of its divisors is an integer number (1257202633203).

Almost surely, 2^{5020344521221} is an apocalyptic number.

It is an amenable number.

5020344521221 is a deficient number, since it is larger than the sum of its proper divisors (8466011591).

5020344521221 is an equidigital number, since it uses as much as digits as its factorization.

5020344521221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8466011590.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 5020344521221 its reverse (1221254430205), we get a palindrome (6241598951426).

The spelling of 5020344521221 in words is "five trillion, twenty billion, three hundred forty-four million, five hundred twenty-one thousand, two hundred twenty-one".