111221310103 has 8 divisors (see below), whose sum is σ = 111466958000. Its totient is φ = 110975754240.

The previous prime is 111221310077. The next prime is 111221310199. The reversal of 111221310103 is 301013122111.

It is a happy number.

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 111221310103 - 2²⁵ = 111187755671 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 (111221310503) 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 7 ways as a sum of consecutive naturals, for example, 2764951 + ... + 2804887.

It is an arithmetic number, because the mean of its divisors is an integer number (13933369750).

Almost surely, 2^111221310103 is an apocalyptic number.

111221310103 is a deficient number, since it is larger than the sum of its proper divisors (245647897).

111221310103 is an equidigital number, since it uses as much as digits as its factorization.

111221310103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46017.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111221310103 its reverse (301013122111), we get a palindrome (412234432214).

The spelling of 111221310103 in words is "one hundred eleven billion, two hundred twenty-one million, three hundred ten thousand, one hundred three".