111312211102 has 8 divisors (see below), whose sum is σ = 167029732800. Its totient is φ = 55635633504.

The previous prime is 111312211093. The next prime is 111312211187. The reversal of 111312211102 is 201112213111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 10229227 + ... + 10240102.

It is an arithmetic number, because the mean of its divisors is an integer number (20878716600).

Almost surely, 2^111312211102 is an apocalyptic number.

111312211102 is a deficient number, since it is larger than the sum of its proper divisors (55717521698).

111312211102 is a wasteful number, since it uses less digits than its factorization.

111312211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20472050.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111312211102 its reverse (201112213111), we get a palindrome (312424424213).

The spelling of 111312211102 in words is "one hundred eleven billion, three hundred twelve million, two hundred eleven thousand, one hundred two".