100320322421 has 8 divisors (see below), whose sum is σ = 110825673600. Its totient is φ = 90045858240.

The previous prime is 100320322397. The next prime is 100320322441. The reversal of 100320322421 is 124223023001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100320322421 - 2⁶ = 100320322357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100320322393 and 100320322402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320322441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57720836 + ... + 57722573.

It is an arithmetic number, because the mean of its divisors is an integer number (13853209200).

Almost surely, 2^100320322421 is an apocalyptic number.

100320322421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100320322421 is a deficient number, since it is larger than the sum of its proper divisors (10505351179).

100320322421 is a wasteful number, since it uses less digits than its factorization.

100320322421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115443499.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 100320322421 its reverse (124223023001), we get a palindrome (224543345422).

The spelling of 100320322421 in words is "one hundred billion, three hundred twenty million, three hundred twenty-two thousand, four hundred twenty-one".