111312221111103 has 8 divisors (see below), whose sum is σ = 153534098084400. Its totient is φ = 71649245772608.

The previous prime is 111312221111083. The next prime is 111312221111107. The reversal of 111312221111103 is 301111122213111.

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 111312221111103 - 2²⁵ = 111312187556671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111312221111103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312221111107) 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, 639725408598 + ... + 639725408771.

It is an arithmetic number, because the mean of its divisors is an integer number (19191762260550).

Almost surely, 2^{111312221111103} is an apocalyptic number.

111312221111103 is a deficient number, since it is larger than the sum of its proper divisors (42221876973297).

111312221111103 is a wasteful number, since it uses less digits than its factorization.

111312221111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279450817401.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 111312221111103 its reverse (301111122213111), we get a palindrome (412423343324214).

The spelling of 111312221111103 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred three".