100201201100 has 864 divisors, whose sum is σ = 320476238208. Its totient is φ = 26357760000.

The previous prime is 100201201073. The next prime is 100201201123. The reversal of 100201201100 is 1102102001.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 992091050 + ... + 992091150.

It is an arithmetic number, because the mean of its divisors is an integer number (370921572).

Almost surely, 2^100201201100 is an apocalyptic number.

100201201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100201201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160238119104).

100201201100 is an abundant number, since it is smaller than the sum of its proper divisors (220275037108).

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

100201201100 is a wasteful number, since it uses less digits than its factorization.

100201201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100201201100 its reverse (1102102001), we get a palindrome (101303303101).

Subtracting from 100201201100 its reverse (1102102001), we obtain a palindrome (99099099099).

The spelling of 100201201100 in words is "one hundred billion, two hundred one million, two hundred one thousand, one hundred".