100033563421 has 8 divisors (see below), whose sum is σ = 110207995488. Its totient is φ = 90039210000.

The previous prime is 100033563419. The next prime is 100033563431. The reversal of 100033563421 is 124365330001.

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 100033563421 - 2¹ = 100033563419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100033563421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100033563431) 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, 45018495 + ... + 45020716.

It is an arithmetic number, because the mean of its divisors is an integer number (13775999436).

Almost surely, 2^100033563421 is an apocalyptic number.

100033563421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100033563421 is a deficient number, since it is larger than the sum of its proper divisors (10174432067).

100033563421 is a wasteful number, since it uses less digits than its factorization.

100033563421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90039323.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 100033563421 its reverse (124365330001), we get a palindrome (224398893422).

The spelling of 100033563421 in words is "one hundred billion, thirty-three million, five hundred sixty-three thousand, four hundred twenty-one".