11101223112 has 32 divisors (see below), whose sum is σ = 31717780800. Its totient is φ = 3171777984.

The previous prime is 11101223059. The next prime is 11101223123. The reversal of 11101223112 is 21132210111.

11101223112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11101223091 and 11101223100.

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, 33039187 + ... + 33039522.

It is an arithmetic number, because the mean of its divisors is an integer number (991180650).

Almost surely, 2^11101223112 is an apocalyptic number.

11101223112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101223112 is an abundant number, since it is smaller than the sum of its proper divisors (20616557688).

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

11101223112 is a wasteful number, since it uses less digits than its factorization.

11101223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66078725 (or 66078721 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11101223112 its reverse (21132210111), we get a palindrome (32233433223).

The spelling of 11101223112 in words is "eleven billion, one hundred one million, two hundred twenty-three thousand, one hundred twelve".