100220112200 has 96 divisors (see below), whose sum is σ = 251019350400. Its totient is φ = 36992021760.

The previous prime is 100220112131. The next prime is 100220112217. The reversal of 100220112200 is 2211022001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12431771 + ... + 12439829.

It is an arithmetic number, because the mean of its divisors is an integer number (2614784900).

Almost surely, 2^100220112200 is an apocalyptic number.

100220112200 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 100220112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125509675200).

100220112200 is an abundant number, since it is smaller than the sum of its proper divisors (150799238200).

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

100220112200 is a wasteful number, since it uses less digits than its factorization.

100220112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12871 (or 12862 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100220112200 its reverse (2211022001), we get a palindrome (102431134201).

The spelling of 100220112200 in words is "one hundred billion, two hundred twenty million, one hundred twelve thousand, two hundred".