10000111112 has 16 divisors (see below), whose sum is σ = 18751625340. Its totient is φ = 4999677696.

The previous prime is 10000111081. The next prime is 10000111123. The reversal of 10000111112 is 21111100001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9965230276 + 34880836 = 99826^2 + 5906^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 10000111112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88028 + ... + 166580.

Almost surely, 2^10000111112 is an apocalyptic number.

It is an amenable number.

10000111112 is a deficient number, since it is larger than the sum of its proper divisors (8751514228).

10000111112 is a wasteful number, since it uses less digits than its factorization.

10000111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94472 (or 94468 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10000111112 its reverse (21111100001), we get a palindrome (31111211113).

The spelling of 10000111112 in words is "ten billion, one hundred eleven thousand, one hundred twelve".