222345121611 has 16 divisors (see below), whose sum is σ = 307561716000. Its totient is φ = 142708597248.

The previous prime is 222345121591. The next prime is 222345121613. The reversal of 222345121611 is 116121543222.

It is not a de Polignac number, because 222345121611 - 2³⁰ = 221271379787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222345121613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3631086 + ... + 3691811.

It is an arithmetic number, because the mean of its divisors is an integer number (19222607250).

Almost surely, 2^222345121611 is an apocalyptic number.

222345121611 is a deficient number, since it is larger than the sum of its proper divisors (85216594389).

222345121611 is a wasteful number, since it uses less digits than its factorization.

222345121611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7323278.

The product of its digits is 5760, while the sum is 30.

Adding to 222345121611 its reverse (116121543222), we get a palindrome (338466664833).

The spelling of 222345121611 in words is "two hundred twenty-two billion, three hundred forty-five million, one hundred twenty-one thousand, six hundred eleven".