100101200 has 30 divisors (see below), whose sum is σ = 240494094. Its totient is φ = 40040320.

The previous prime is 100101193. The next prime is 100101203. The reversal of 100101200 is 2101001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 341056 + 99760144 = 584^2 + 9988^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101203) 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, 124727 + ... + 125526.

Almost surely, 2^100101200 is an apocalyptic number.

100101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100101200 is an abundant number, since it is smaller than the sum of its proper divisors (140392894).

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

100101200 is a wasteful number, since it uses less digits than its factorization.

100101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250271 (or 250260 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 100101200 is about 10005.0587204674. The cubic root of 100101200 is about 464.3154068359.

Adding to 100101200 its reverse (2101001), we get a palindrome (102202201).

The spelling of 100101200 in words is "one hundred million, one hundred one thousand, two hundred".