100324443100421 has 12 divisors (see below), whose sum is σ = 101638516668192. Its totient is φ = 99027150654744.

The previous prime is 100324443100411. The next prime is 100324443100459. The reversal of 100324443100421 is 124001344423001.

It is not a de Polignac number, because 100324443100421 - 2¹⁴ = 100324443084037 is a prime.

It is a super-2 number, since 2×100324443100421² (a number of 29 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 (100324443100411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20392670 + ... + 24829616.

It is an arithmetic number, because the mean of its divisors is an integer number (8469876389016).

Almost surely, 2^{100324443100421} is an apocalyptic number.

It is an amenable number.

100324443100421 is a deficient number, since it is larger than the sum of its proper divisors (1314073567771).

100324443100421 is an frugal number, since it uses more digits than its factorization.

100324443100421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440728 (or 4440649 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 100324443100421 its reverse (124001344423001), we get a palindrome (224325787523422).

The spelling of 100324443100421 in words is "one hundred trillion, three hundred twenty-four billion, four hundred forty-three million, one hundred thousand, four hundred twenty-one".