111200102102 has 16 divisors (see below), whose sum is σ = 170008282080. Its totient is φ = 54550847416.

The previous prime is 111200102021. The next prime is 111200102113. The reversal of 111200102102 is 201201002111.

111200102102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 111023 + ... + 484485.

It is an arithmetic number, because the mean of its divisors is an integer number (10625517630).

Almost surely, 2^111200102102 is an apocalyptic number.

111200102102 is a deficient number, since it is larger than the sum of its proper divisors (58808179978).

111200102102 is an frugal number, since it uses more digits than its factorization.

111200102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373624 (or 373518 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111200102102 its reverse (201201002111), we get a palindrome (312401104213).

Subtracting 111200102102 from its reverse (201201002111), we obtain a palindrome (90000900009).

The spelling of 111200102102 in words is "one hundred eleven billion, two hundred million, one hundred two thousand, one hundred two".