100221112 has 16 divisors (see below), whose sum is σ = 188155800. Its totient is φ = 50046240.

The previous prime is 100221101. The next prime is 100221131. The reversal of 100221112 is 211122001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062 + ... + 14197.

Almost surely, 2^100221112 is an apocalyptic number.

It is an amenable number.

100221112 is a deficient number, since it is larger than the sum of its proper divisors (87934688).

100221112 is a wasteful number, since it uses less digits than its factorization.

100221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16086 (or 16082 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 100221112 is about 10011.0494954325. The cubic root of 100221112 is about 464.5007351899.

Adding to 100221112 its reverse (211122001), we get a palindrome (311343113).

The spelling of 100221112 in words is "one hundred million, two hundred twenty-one thousand, one hundred twelve".