11121011112 has 32 divisors (see below), whose sum is σ = 27901486080. Its totient is φ = 3693809280.

The previous prime is 11121011107. The next prime is 11121011123. The reversal of 11121011112 is 21111012111.

11121011112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817768 + ... + 831255.

It is an arithmetic number, because the mean of its divisors is an integer number (871921440).

Almost surely, 2^11121011112 is an apocalyptic number.

11121011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121011112 is an abundant number, since it is smaller than the sum of its proper divisors (16780474968).

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

11121011112 is a wasteful number, since it uses less digits than its factorization.

11121011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649313 (or 1649309 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11121011112 its reverse (21111012111), we get a palindrome (32232023223).

Subtracting 11121011112 from its reverse (21111012111), we obtain a palindrome (9990000999).

The spelling of 11121011112 in words is "eleven billion, one hundred twenty-one million, eleven thousand, one hundred twelve".