12222111113 has 4 divisors (see below), whose sum is σ = 12224823828. Its totient is φ = 12219398400.

The previous prime is 12222111107. The next prime is 12222111127. The reversal of 12222111113 is 31111122221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 314281984 + 11907829129 = 17728^2 + 109123^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222111113 - 2³² = 7927143817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222111091 and 12222111100.

It is not an unprimeable number, because it can be changed into a prime (12222111313) 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 3 ways as a sum of consecutive naturals, for example, 1349588 + ... + 1358613.

It is an arithmetic number, because the mean of its divisors is an integer number (3056205957).

Almost surely, 2^12222111113 is an apocalyptic number.

It is an amenable number.

12222111113 is a deficient number, since it is larger than the sum of its proper divisors (2712715).

12222111113 is an equidigital number, since it uses as much as digits as its factorization.

12222111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712714.

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

Adding to 12222111113 its reverse (31111122221), we get a palindrome (43333233334).

The spelling of 12222111113 in words is "twelve billion, two hundred twenty-two million, one hundred eleven thousand, one hundred thirteen".