11001001112 has 32 divisors (see below), whose sum is σ = 20927262720. Its totient is φ = 5420973600.

The previous prime is 11001001097. The next prime is 11001001129. The reversal of 11001001112 is 21110010011.

It is a happy number.

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 11001001112.

It is a congruent number.

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, 117563 + ... + 189269.

It is an arithmetic number, because the mean of its divisors is an integer number (653976960).

Almost surely, 2^11001001112 is an apocalyptic number.

It is an amenable number.

11001001112 is a deficient number, since it is larger than the sum of its proper divisors (9926261608).

11001001112 is a wasteful number, since it uses less digits than its factorization.

11001001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71991 (or 71987 counting only the distinct ones).

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

Adding to 11001001112 its reverse (21110010011), we get a palindrome (32111011123).

The spelling of 11001001112 in words is "eleven billion, one million, one thousand, one hundred twelve".