100221002112 has 512 divisors, whose sum is σ = 349240688640. Its totient is φ = 24704409600.

The previous prime is 100221002107. The next prime is 100221002197. The reversal of 100221002112 is 211200122001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48579193 + ... + 48581255.

It is an arithmetic number, because the mean of its divisors is an integer number (682110720).

Almost surely, 2^100221002112 is an apocalyptic number.

100221002112 is a gapful number since it is divisible by the number (12) 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 100221002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174620344320).

100221002112 is an abundant number, since it is smaller than the sum of its proper divisors (249019686528).

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

100221002112 is a wasteful number, since it uses less digits than its factorization.

100221002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100221002112 its reverse (211200122001), we get a palindrome (311421124113).

The spelling of 100221002112 in words is "one hundred billion, two hundred twenty-one million, two thousand, one hundred twelve".