11313122212 has 24 divisors (see below), whose sum is σ = 22632505280. Its totient is φ = 4847139360.

The previous prime is 11313122203. The next prime is 11313122213. The reversal of 11313122212 is 21222131311.

It is a self number, because there is not a number n which added to its sum of digits gives 11313122212.

It is not an unprimeable number, because it can be changed into a prime (11313122213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50662 + ... + 158722.

Almost surely, 2^11313122212 is an apocalyptic number.

It is an amenable number.

11313122212 is an abundant number, since it is smaller than the sum of its proper divisors (11319383068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11313122212 is a wasteful number, since it uses less digits than its factorization.

11313122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111811 (or 111809 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 11313122212 its reverse (21222131311), we get a palindrome (32535253523).

Subtracting 11313122212 from its reverse (21222131311), we obtain a palindrome (9909009099).

The spelling of 11313122212 in words is "eleven billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twelve".