11111010112 has 112 divisors (see below), whose sum is σ = 23065922880. Its totient is φ = 5306499072.

The previous prime is 11111010103. The next prime is 11111010143. The reversal of 11111010112 is 21101011111.

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 15 ways as a sum of consecutive naturals, for example, 28562814 + ... + 28563202.

It is an arithmetic number, because the mean of its divisors is an integer number (205945740).

Almost surely, 2^11111010112 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 11111010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11532961440).

11111010112 is an abundant number, since it is smaller than the sum of its proper divisors (11954912768).

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

11111010112 is a wasteful number, since it uses less digits than its factorization.

11111010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 638 counting only the distinct ones).

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

Adding to 11111010112 its reverse (21101011111), we get a palindrome (32212021223).

Subtracting 11111010112 from its reverse (21101011111), we obtain a palindrome (9990000999).

The spelling of 11111010112 in words is "eleven billion, one hundred eleven million, ten thousand, one hundred twelve".