11113131323212 has 6 divisors (see below), whose sum is σ = 19447979815628. Its totient is φ = 5556565661604.

The previous prime is 11113131323183. The next prime is 11113131323243. The reversal of 11113131323212 is 21232313131111.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389141415398 + ... + 1389141415405.

Almost surely, 2^{11113131323212} is an apocalyptic number.

It is an amenable number.

11113131323212 is a deficient number, since it is larger than the sum of its proper divisors (8334848492416).

11113131323212 is a wasteful number, since it uses less digits than its factorization.

11113131323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778282830807 (or 2778282830805 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

Adding to 11113131323212 its reverse (21232313131111), we get a palindrome (32345444454323).

The spelling of 11113131323212 in words is "eleven trillion, one hundred thirteen billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred twelve".