111102321103 has 4 divisors (see below), whose sum is σ = 111207036888. Its totient is φ = 110997605320.

The previous prime is 111102321073. The next prime is 111102321139. The reversal of 111102321103 is 301123201111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301123201111 = 29 ⋅10383558659.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111102321103 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 (111102351103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52356301 + ... + 52358422.

It is an arithmetic number, because the mean of its divisors is an integer number (27801759222).

Almost surely, 2^111102321103 is an apocalyptic number.

111102321103 is a deficient number, since it is larger than the sum of its proper divisors (104715785).

111102321103 is a wasteful number, since it uses less digits than its factorization.

111102321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104715784.

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

Adding to 111102321103 its reverse (301123201111), we get a palindrome (412225522214).

The spelling of 111102321103 in words is "one hundred eleven billion, one hundred two million, three hundred twenty-one thousand, one hundred three".