11111110112 has 96 divisors (see below), whose sum is σ = 23804928000. Its totient is φ = 5089125888.

The previous prime is 11111110103. The next prime is 11111110133. The reversal of 11111110112 is 21101111111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11111110093 and 11111110102.

It is a congruent number.

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, 2708639 + ... + 2712737.

It is an arithmetic number, because the mean of its divisors is an integer number (247968000).

Almost surely, 2^11111110112 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 11111110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11902464000).

11111110112 is an abundant number, since it is smaller than the sum of its proper divisors (12693817888).

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

11111110112 is a wasteful number, since it uses less digits than its factorization.

11111110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288 (or 4280 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11111110112 its reverse (21101111111), we get a palindrome (32212221223).

Subtracting 11111110112 from its reverse (21101111111), we obtain a palindrome (9990000999).

The spelling of 11111110112 in words is "eleven billion, one hundred eleven million, one hundred ten thousand, one hundred twelve".