100011111112 has 64 divisors (see below), whose sum is σ = 217352030400. Its totient is φ = 42785317120.

The previous prime is 100011111103. The next prime is 100011111131. The reversal of 100011111112 is 211111110001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316683 + ... + 548005.

It is an arithmetic number, because the mean of its divisors is an integer number (3396125475).

Almost surely, 2^100011111112 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 100011111112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108676015200).

100011111112 is an abundant number, since it is smaller than the sum of its proper divisors (117340919288).

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

100011111112 is a wasteful number, since it uses less digits than its factorization.

100011111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231391 (or 231353 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 100011111112 its reverse (211111110001), we get a palindrome (311122221113).

The spelling of 100011111112 in words is "one hundred billion, eleven million, one hundred eleven thousand, one hundred twelve".