100201100 has 36 divisors (see below), whose sum is σ = 217892304. Its totient is φ = 39996480.

The previous prime is 100201099. The next prime is 100201103. The reversal of 100201100 is 1102001.

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 (100201103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72617 + ... + 73983.

It is an arithmetic number, because the mean of its divisors is an integer number (6052564).

Almost surely, 2^100201100 is an apocalyptic number.

100201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100201100 is an abundant number, since it is smaller than the sum of its proper divisors (117691204).

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

100201100 is a wasteful number, since it uses less digits than its factorization.

100201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2107 counting only the distinct ones).

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

The square root of 100201100 is about 10010.0499499253. The cubic root of 100201100 is about 464.4698161972.

Adding to 100201100 its reverse (1102001), we get a palindrome (101303101).

Subtracting from 100201100 its reverse (1102001), we obtain a palindrome (99099099).

The spelling of 100201100 in words is "one hundred million, two hundred one thousand, one hundred".