100200100008 has 16 divisors (see below), whose sum is σ = 250500250080. Its totient is φ = 33400033328.

The previous prime is 100200099991. The next prime is 100200100009. The reversal of 100200100008 is 800001002001.

It is a happy number.

It is a super-2 number, since 2×100200100008² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100200099966 and 100200100002.

It is not an unprimeable number, because it can be changed into a prime (100200100009) 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, 2087502060 + ... + 2087502107.

It is an arithmetic number, because the mean of its divisors is an integer number (15656265630).

Almost surely, 2^100200100008 is an apocalyptic number.

It is an amenable number.

100200100008 is an abundant number, since it is smaller than the sum of its proper divisors (150300150072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100200100008 is a wasteful number, since it uses less digits than its factorization.

100200100008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175004176 (or 4175004172 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100200100008 its reverse (800001002001), we get a palindrome (900201102009).

The spelling of 100200100008 in words is "one hundred billion, two hundred million, one hundred thousand, eight".