111221330116 has 12 divisors (see below), whose sum is σ = 209609429932. Its totient is φ = 51332921568.

The previous prime is 111221330083. The next prime is 111221330153. The reversal of 111221330116 is 611033122111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20548075716 + 90673254400 = 143346^2 + 301120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069435815 + ... + 1069435918.

Almost surely, 2^111221330116 is an apocalyptic number.

It is an amenable number.

111221330116 is a deficient number, since it is larger than the sum of its proper divisors (98388099816).

111221330116 is a wasteful number, since it uses less digits than its factorization.

111221330116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138871750 (or 2138871748 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 111221330116 its reverse (611033122111), we get a palindrome (722254452227).

The spelling of 111221330116 in words is "one hundred eleven billion, two hundred twenty-one million, three hundred thirty thousand, one hundred sixteen".