11103113212 has 24 divisors (see below), whose sum is σ = 19567574096. Its totient is φ = 5512485888.

The previous prime is 11103113167. The next prime is 11103113221. The reversal of 11103113212 is 21231130111.

It is a happy number.

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, 409138 + ... + 435430.

Almost surely, 2^11103113212 is an apocalyptic number.

It is an amenable number.

11103113212 is a deficient number, since it is larger than the sum of its proper divisors (8464460884).

11103113212 is a wasteful number, since it uses less digits than its factorization.

11103113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27037 (or 27035 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11103113212 its reverse (21231130111), we get a palindrome (32334243323).

The spelling of 11103113212 in words is "eleven billion, one hundred three million, one hundred thirteen thousand, two hundred twelve".