222131113123 has 6 divisors (see below), whose sum is σ = 234437546364. Its totient is φ = 210440001564.

The previous prime is 222131113121. The next prime is 222131113129. The reversal of 222131113123 is 321311131222.

222131113123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222131113123 - 2¹ = 222131113121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222131113094 and 222131113103.

It is not an unprimeable number, because it can be changed into a prime (222131113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307660461 + ... + 307661182.

It is an arithmetic number, because the mean of its divisors is an integer number (39072924394).

Almost surely, 2^222131113123 is an apocalyptic number.

222131113123 is a deficient number, since it is larger than the sum of its proper divisors (12306433241).

222131113123 is an equidigital number, since it uses as much as digits as its factorization.

222131113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615321681 (or 615321662 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 222131113123 its reverse (321311131222), we get a palindrome (543442244345).

The spelling of 222131113123 in words is "two hundred twenty-two billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred twenty-three".