100443112 has 96 divisors (see below), whose sum is σ = 243149760. Its totient is φ = 37785600.

The previous prime is 100443103. The next prime is 100443121. The reversal of 100443112 is 211344001.

It is an interprime number because it is at equal distance from previous prime (100443103) and next prime (100443121).

It is a congruent 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, 1035448 + ... + 1035544.

It is an arithmetic number, because the mean of its divisors is an integer number (2532810).

Almost surely, 2^100443112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100443112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121574880).

100443112 is an abundant number, since it is smaller than the sum of its proper divisors (142706648).

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

100443112 is a wasteful number, since it uses less digits than its factorization.

100443112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100443112 is about 10022.1311106970. The cubic root of 100443112 is about 464.8434544529.

Adding to 100443112 its reverse (211344001), we get a palindrome (311787113).

The spelling of 100443112 in words is "one hundred million, four hundred forty-three thousand, one hundred twelve".