11113110212 has 12 divisors (see below), whose sum is σ = 19455088380. Its totient is φ = 5554513536.

The previous prime is 11113110179. The next prime is 11113110257. The reversal of 11113110212 is 21201131111.

It can be written as a sum of positive squares in 2 ways, for example, as 9932912896 + 1180197316 = 99664^2 + 34354^2 .

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, 498113 + ... + 519944.

It is an arithmetic number, because the mean of its divisors is an integer number (1621257365).

Almost surely, 2^11113110212 is an apocalyptic number.

It is an amenable number.

11113110212 is a deficient number, since it is larger than the sum of its proper divisors (8341978168).

11113110212 is a wasteful number, since it uses less digits than its factorization.

11113110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020790 (or 1020788 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11113110212 its reverse (21201131111), we get a palindrome (32314241323).

The spelling of 11113110212 in words is "eleven billion, one hundred thirteen million, one hundred ten thousand, two hundred twelve".