100331024421 has 8 divisors (see below), whose sum is σ = 133861403200. Its totient is φ = 66843997632.

The previous prime is 100331024407. The next prime is 100331024483. The reversal of 100331024421 is 124420133001.

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

It is not a de Polignac number, because 100331024421 - 2¹³ = 100331016229 is a prime.

It is a super-2 number, since 2×100331024421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100331024401) 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, 10832596 + ... + 10841853.

It is an arithmetic number, because the mean of its divisors is an integer number (16732675400).

Almost surely, 2^100331024421 is an apocalyptic number.

It is an amenable number.

100331024421 is a deficient number, since it is larger than the sum of its proper divisors (33530378779).

100331024421 is a wasteful number, since it uses less digits than its factorization.

100331024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21675995.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100331024421 its reverse (124420133001), we get a palindrome (224751157422).

The spelling of 100331024421 in words is "one hundred billion, three hundred thirty-one million, twenty-four thousand, four hundred twenty-one".