100002200123 has 12 divisors (see below), whose sum is σ = 119034420120. Its totient is φ = 83722770432.

The previous prime is 100002200087. The next prime is 100002200147. The reversal of 100002200123 is 321002200001.

It is a happy number.

It is not a de Polignac number, because 100002200123 - 2⁶ = 100002200059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100002200723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23728838 + ... + 23733051.

It is an arithmetic number, because the mean of its divisors is an integer number (9919535010).

Almost surely, 2^100002200123 is an apocalyptic number.

100002200123 is a deficient number, since it is larger than the sum of its proper divisors (19032219997).

100002200123 is an equidigital number, since it uses as much as digits as its factorization.

100002200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47461946 (or 47461939 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 100002200123 its reverse (321002200001), we get a palindrome (421004400124).

The spelling of 100002200123 in words is "one hundred billion, two million, two hundred thousand, one hundred twenty-three".