11112131222 has 16 divisors (see below), whose sum is σ = 16883737200. Its totient is φ = 5484598560.

The previous prime is 11112131221. The next prime is 11112131237. The reversal of 11112131222 is 22213121111.

It is a happy number.

11112131222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11112131222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112131221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36104 + ... + 153387.

It is an arithmetic number, because the mean of its divisors is an integer number (1055233575).

Almost surely, 2^11112131222 is an apocalyptic number.

11112131222 is a deficient number, since it is larger than the sum of its proper divisors (5771605978).

11112131222 is a wasteful number, since it uses less digits than its factorization.

11112131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189871.

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

Adding to 11112131222 its reverse (22213121111), we get a palindrome (33325252333).

The spelling of 11112131222 in words is "eleven billion, one hundred twelve million, one hundred thirty-one thousand, two hundred twenty-two".