111001111102 has 24 divisors (see below), whose sum is σ = 195603309000. Its totient is φ = 47100891600.

The previous prime is 111001111099. The next prime is 111001111103. The reversal of 111001111102 is 201111100111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001111103) 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 11 ways as a sum of consecutive naturals, for example, 5597352 + ... + 5617147.

It is an arithmetic number, because the mean of its divisors is an integer number (8150137875).

Almost surely, 2^111001111102 is an apocalyptic number.

111001111102 is a deficient number, since it is larger than the sum of its proper divisors (84602197898).

111001111102 is a wasteful number, since it uses less digits than its factorization.

111001111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11214616 (or 11214609 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111001111102 its reverse (201111100111), we get a palindrome (312112211213).

The spelling of 111001111102 in words is "one hundred eleven billion, one million, one hundred eleven thousand, one hundred two".