111212110012103 has 8 divisors (see below), whose sum is σ = 117112074367200. Its totient is φ = 105400866925728.

The previous prime is 111212110012051. The next prime is 111212110012123. The reversal of 111212110012103 is 301210011212111.

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

It is a cyclic number.

It is not a de Polignac number, because 111212110012103 - 2⁶ = 111212110012039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212110012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22180314608 + ... + 22180319621.

It is an arithmetic number, because the mean of its divisors is an integer number (14639009295900).

Almost surely, 2^{111212110012103} is an apocalyptic number.

111212110012103 is a deficient number, since it is larger than the sum of its proper divisors (5899964355097).

111212110012103 is a wasteful number, since it uses less digits than its factorization.

111212110012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44360634361.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 111212110012103 its reverse (301210011212111), we get a palindrome (412422121224214).

The spelling of 111212110012103 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred ten million, twelve thousand, one hundred three".