111222345568 has 48 divisors (see below), whose sum is σ = 226897735680. Its totient is φ = 53630269056.

The previous prime is 111222345547. The next prime is 111222345581. The reversal of 111222345568 is 865543222111.

It is a happy number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 111222345568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402880 + ... + 620287.

It is an arithmetic number, because the mean of its divisors is an integer number (4727036160).

Almost surely, 2^111222345568 is an apocalyptic number.

It is an amenable number.

111222345568 is an abundant number, since it is smaller than the sum of its proper divisors (115675390112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111222345568 is a wasteful number, since it uses less digits than its factorization.

111222345568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023299 (or 1023291 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

Adding to 111222345568 its reverse (865543222111), we get a palindrome (976765567679).

The spelling of 111222345568 in words is "one hundred eleven billion, two hundred twenty-two million, three hundred forty-five thousand, five hundred sixty-eight".