5320423301221 has 64 divisors (see below), whose sum is σ = 6690643255296. Its totient is φ = 4131796838400.

The previous prime is 5320423301161. The next prime is 5320423301239. The reversal of 5320423301221 is 1221033240235.

It is a happy number.

It is not a de Polignac number, because 5320423301221 - 2²⁷ = 5320289083493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5320423301221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5320423301251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47345661 + ... + 47457901.

It is an arithmetic number, because the mean of its divisors is an integer number (104541300864).

Almost surely, 2^{5320423301221} is an apocalyptic number.

It is an amenable number.

5320423301221 is a deficient number, since it is larger than the sum of its proper divisors (1370219954075).

5320423301221 is a wasteful number, since it uses less digits than its factorization.

5320423301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112522.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 5320423301221 its reverse (1221033240235), we get a palindrome (6541456541456).

The spelling of 5320423301221 in words is "five trillion, three hundred twenty billion, four hundred twenty-three million, three hundred one thousand, two hundred twenty-one".