100521105005 has 8 divisors (see below), whose sum is σ = 123191822592. Its totient is φ = 78705886288.

The previous prime is 100521104923. The next prime is 100521105011. The reversal of 100521105005 is 500501125001.

It is a happy number.

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 100521105005 - 2¹² = 100521100909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213874457 + ... + 213874926.

It is an arithmetic number, because the mean of its divisors is an integer number (15398977824).

Almost surely, 2^100521105005 is an apocalyptic number.

It is an amenable number.

100521105005 is a deficient number, since it is larger than the sum of its proper divisors (22670717587).

100521105005 is an equidigital number, since it uses as much as digits as its factorization.

100521105005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427749435.

The product of its (nonzero) digits is 250, while the sum is 20.

The spelling of 100521105005 in words is "one hundred billion, five hundred twenty-one million, one hundred five thousand, five".