222112111131 has 12 divisors (see below), whose sum is σ = 320839184952. Its totient is φ = 148069857696.

The previous prime is 222112111129. The next prime is 222112111187. The reversal of 222112111131 is 131111211222.

It is a happy number.

It is not a de Polignac number, because 222112111131 - 2¹ = 222112111129 is a prime.

It is a super-2 number, since 2×222112111131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222112111931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107226 + ... + 675071.

It is an arithmetic number, because the mean of its divisors is an integer number (26736598746).

Almost surely, 2^222112111131 is an apocalyptic number.

222112111131 is a deficient number, since it is larger than the sum of its proper divisors (98727073821).

222112111131 is a wasteful number, since it uses less digits than its factorization.

222112111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813850 (or 813847 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 222112111131 its reverse (131111211222), we get a palindrome (353223322353).

The spelling of 222112111131 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred eleven thousand, one hundred thirty-one".