111222147027712 has 576 divisors, whose sum is σ = 276201059549184. Its totient is φ = 43673307955200.

The previous prime is 111222147027683. The next prime is 111222147027731. The reversal of 111222147027712 is 217720741222111.

It is a happy number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 19153113513 + ... + 19153119319.

It is an arithmetic number, because the mean of its divisors is an integer number (479515728384).

Almost surely, 2^{111222147027712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111222147027712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138100529774592).

111222147027712 is an abundant number, since it is smaller than the sum of its proper divisors (164978912521472).

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

111222147027712 is a wasteful number, since it uses less digits than its factorization.

111222147027712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104 (or 6090 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 40.

Adding to 111222147027712 its reverse (217720741222111), we get a palindrome (328942888249823).

The spelling of 111222147027712 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred forty-seven million, twenty-seven thousand, seven hundred twelve".