11212311122 has 16 divisors (see below), whose sum is σ = 18314121600. Its totient is φ = 5127953040.

The previous prime is 11212311083. The next prime is 11212311127. The reversal of 11212311122 is 22111321211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212311122.

It is not an unprimeable number, because it can be changed into a prime (11212311127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5086154 + ... + 5088357.

It is an arithmetic number, because the mean of its divisors is an integer number (1144632600).

Almost surely, 2^11212311122 is an apocalyptic number.

11212311122 is a deficient number, since it is larger than the sum of its proper divisors (7101810478).

11212311122 is a wasteful number, since it uses less digits than its factorization.

11212311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174561.

The product of its digits is 48, while the sum is 17.

Adding to 11212311122 its reverse (22111321211), we get a palindrome (33323632333).

The spelling of 11212311122 in words is "eleven billion, two hundred twelve million, three hundred eleven thousand, one hundred twenty-two".