11211313112 has 16 divisors (see below), whose sum is σ = 21186735360. Its totient is φ = 5561517024.

The previous prime is 11211313111. The next prime is 11211313117. The reversal of 11211313112 is 21131311211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211313111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5516363 + ... + 5518394.

It is an arithmetic number, because the mean of its divisors is an integer number (1324170960).

Almost surely, 2^11211313112 is an apocalyptic number.

It is an amenable number.

11211313112 is a deficient number, since it is larger than the sum of its proper divisors (9975422248).

11211313112 is a wasteful number, since it uses less digits than its factorization.

11211313112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11034890 (or 11034886 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

Adding to 11211313112 its reverse (21131311211), we get a palindrome (32342624323).

It can be divided in two parts, 11 and 211313112, that multiplied together give a palindrome (2324444232).

The spelling of 11211313112 in words is "eleven billion, two hundred eleven million, three hundred thirteen thousand, one hundred twelve".