108228706409021 has 8 divisors (see below), whose sum is σ = 123201057098304. Its totient is φ = 94111918616320.

The previous prime is 108228706408993. The next prime is 108228706409059. The reversal of 108228706409021 is 120904607822801.

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

It is not a de Polignac number, because 108228706409021 - 2¹⁸ = 108228706146877 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 (108228706409081) 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, 213890723876 + ... + 213890724381.

It is an arithmetic number, because the mean of its divisors is an integer number (15400132137288).

Almost surely, 2^{108228706409021} is an apocalyptic number.

108228706409021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108228706409021 is a deficient number, since it is larger than the sum of its proper divisors (14972350689283).

108228706409021 is a wasteful number, since it uses less digits than its factorization.

108228706409021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427781448291.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 108228706409021 in words is "one hundred eight trillion, two hundred twenty-eight billion, seven hundred six million, four hundred nine thousand, twenty-one".