100221112112 has 40 divisors (see below), whose sum is σ = 224291639952. Its totient is φ = 42875340800.

The previous prime is 100221112109. The next prime is 100221112133. The reversal of 100221112112 is 211211122001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16745189 + ... + 16751172.

Almost surely, 2^100221112112 is an apocalyptic number.

It is an amenable number.

100221112112 is an abundant number, since it is smaller than the sum of its proper divisors (124070527840).

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

100221112112 is a wasteful number, since it uses less digits than its factorization.

100221112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33496397 (or 33496391 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100221112112 its reverse (211211122001), we get a palindrome (311432234113).

The spelling of 100221112112 in words is "one hundred billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twelve".