100635325244221 has 4 divisors (see below), whose sum is σ = 100635386777344. Its totient is φ = 100635263711100.

The previous prime is 100635325244191. The next prime is 100635325244257. The reversal of 100635325244221 is 122442523536001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100635325244221 - 2¹¹ = 100635325242173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100635325244521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28244445 + ... + 31607266.

It is an arithmetic number, because the mean of its divisors is an integer number (25158846694336).

Almost surely, 2^{100635325244221} is an apocalyptic number.

It is an amenable number.

100635325244221 is a deficient number, since it is larger than the sum of its proper divisors (61533123).

100635325244221 is an equidigital number, since it uses as much as digits as its factorization.

100635325244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61533122.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 100635325244221 in words is "one hundred trillion, six hundred thirty-five billion, three hundred twenty-five million, two hundred forty-four thousand, two hundred twenty-one".