100522221065 has 16 divisors (see below), whose sum is σ = 142612807680. Its totient is φ = 66552642240.

The previous prime is 100522221017. The next prime is 100522221077. The reversal of 100522221065 is 560122225001.

It is not a de Polignac number, because 100522221065 - 2¹⁰ = 100522220041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49517321 + ... + 49519350.

It is an arithmetic number, because the mean of its divisors is an integer number (8913300480).

Almost surely, 2^100522221065 is an apocalyptic number.

It is an amenable number.

100522221065 is a deficient number, since it is larger than the sum of its proper divisors (42090586615).

100522221065 is an equidigital number, since it uses as much as digits as its factorization.

100522221065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99036712.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 100522221065 its reverse (560122225001), we get a palindrome (660644446066).

The spelling of 100522221065 in words is "one hundred billion, five hundred twenty-two million, two hundred twenty-one thousand, sixty-five".