200112111100 has 54 divisors (see below), whose sum is σ = 477308759312. Its totient is φ = 72768036000.

The previous prime is 200112111091. The next prime is 200112111127. The reversal of 200112111100 is 1111211002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8256996 + ... + 8281195.

Almost surely, 2^200112111100 is an apocalyptic number.

200112111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200112111100 is an abundant number, since it is smaller than the sum of its proper divisors (277196648212).

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

200112111100 is a wasteful number, since it uses less digits than its factorization.

200112111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16538227 (or 16538209 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 200112111100 its reverse (1111211002), we get a palindrome (201223322102).

The spelling of 200112111100 in words is "two hundred billion, one hundred twelve million, one hundred eleven thousand, one hundred".