100112200202220 has 96 divisors (see below), whose sum is σ = 285158224915200. Its totient is φ = 26235542425344.

The previous prime is 100112200202219. The next prime is 100112200202243. The reversal of 100112200202220 is 22202002211001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100112200202220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6246766 + ... + 15467594.

It is an arithmetic number, because the mean of its divisors is an integer number (2970398176200).

Almost surely, 2^{100112200202220} is an apocalyptic number.

100112200202220 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 100112200202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142579112457600).

100112200202220 is an abundant number, since it is smaller than the sum of its proper divisors (185046024712980).

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

100112200202220 is a wasteful number, since it uses less digits than its factorization.

100112200202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223967 (or 9223965 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100112200202220 its reverse (22202002211001), we get a palindrome (122314202413221).

The spelling of 100112200202220 in words is "one hundred trillion, one hundred twelve billion, two hundred million, two hundred two thousand, two hundred twenty".