5021420123321 has 32 divisors (see below), whose sum is σ = 6114009600000. Its totient is φ = 4025848764672.

The previous prime is 5021420123299. The next prime is 5021420123323. The reversal of 5021420123321 is 1233210241205.

It is not a de Polignac number, because 5021420123321 - 2³⁰ = 5020346381497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5021420123323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14015150 + ... + 14368968.

It is an arithmetic number, because the mean of its divisors is an integer number (191062800000).

Almost surely, 2^{5021420123321} is an apocalyptic number.

It is an amenable number.

5021420123321 is a deficient number, since it is larger than the sum of its proper divisors (1092589476679).

5021420123321 is a wasteful number, since it uses less digits than its factorization.

5021420123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354581.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 5021420123321 its reverse (1233210241205), we get a palindrome (6254630364526).

The spelling of 5021420123321 in words is "five trillion, twenty-one billion, four hundred twenty million, one hundred twenty-three thousand, three hundred twenty-one".