11113102012 has 12 divisors (see below), whose sum is σ = 19452416536. Its totient is φ = 5555268720.

The previous prime is 11113102009. The next prime is 11113102081. The reversal of 11113102012 is 21020131111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11113101983 and 11113102001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300939 + ... + 335842.

Almost surely, 2^11113102012 is an apocalyptic number.

It is an amenable number.

11113102012 is a deficient number, since it is larger than the sum of its proper divisors (8339314524).

11113102012 is a wasteful number, since it uses less digits than its factorization.

11113102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641148 (or 641146 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11113102012 its reverse (21020131111), we get a palindrome (32133233123).

The spelling of 11113102012 in words is "eleven billion, one hundred thirteen million, one hundred two thousand, twelve".