100522566109 has 6 divisors (see below), whose sum is σ = 116934413694. Its totient is φ = 86162199480.

The previous prime is 100522566041. The next prime is 100522566127. The reversal of 100522566109 is 901665225001.

It can be written as a sum of positive squares in only one way, i.e., 58082446009 + 42440120100 = 241003^2 + 206010^2 .

It is not a de Polignac number, because 100522566109 - 2⁹ = 100522565597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100522566139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1025740422 + ... + 1025740519.

It is an arithmetic number, because the mean of its divisors is an integer number (19489068949).

Almost surely, 2^100522566109 is an apocalyptic number.

It is an amenable number.

100522566109 is a deficient number, since it is larger than the sum of its proper divisors (16411847585).

100522566109 is an equidigital number, since it uses as much as digits as its factorization.

100522566109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051480955 (or 2051480948 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 100522566109 in words is "one hundred billion, five hundred twenty-two million, five hundred sixty-six thousand, one hundred nine".