100421304433 has 32 divisors (see below), whose sum is σ = 108762128640. Its totient is φ = 92471258880.

The previous prime is 100421304421. The next prime is 100421304437. The reversal of 100421304433 is 334403124001.

It is a cyclic number.

It is not a de Polignac number, because 100421304433 - 2⁹ = 100421303921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100421304398 and 100421304407.

It is not an unprimeable number, because it can be changed into a prime (100421304437) 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, 44256823 + ... + 44259091.

It is an arithmetic number, because the mean of its divisors is an integer number (3398816520).

Almost surely, 2^100421304433 is an apocalyptic number.

It is an amenable number.

100421304433 is a deficient number, since it is larger than the sum of its proper divisors (8340824207).

100421304433 is a wasteful number, since it uses less digits than its factorization.

100421304433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 100421304433 its reverse (334403124001), we get a palindrome (434824428434).

The spelling of 100421304433 in words is "one hundred billion, four hundred twenty-one million, three hundred four thousand, four hundred thirty-three".