100011200 has 42 divisors (see below), whose sum is σ = 246093996. Its totient is φ = 40003840.

The previous prime is 100011181. The next prime is 100011203. The reversal of 100011200 is 2110001.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (100011203) 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, 29654 + ... + 32853.

Almost surely, 2^100011200 is an apocalyptic number.

100011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011200 is an abundant number, since it is smaller than the sum of its proper divisors (146082796).

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

100011200 is an equidigital number, since it uses as much as digits as its factorization.

100011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62529 (or 62514 counting only the distinct ones).

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

The square root of 100011200 is about 10000.5599843209. The cubic root of 100011200 is about 464.1762113127.

Adding to 100011200 its reverse (2110001), we get a palindrome (102121201).

The spelling of 100011200 in words is "one hundred million, eleven thousand, two hundred".