111111022103 has 4 divisors (see below), whose sum is σ = 111376203960. Its totient is φ = 110845840248.

The previous prime is 111111022097. The next prime is 111111022123. The reversal of 111111022103 is 301220111111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301220111111 = 52667 ⋅5719333.

It is a cyclic number.

It is not a de Polignac number, because 111111022103 - 2¹⁰ = 111111021079 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 (111111022123) 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, 132590300 + ... + 132591137.

It is an arithmetic number, because the mean of its divisors is an integer number (27844050990).

Almost surely, 2^111111022103 is an apocalyptic number.

111111022103 is a deficient number, since it is larger than the sum of its proper divisors (265181857).

111111022103 is an equidigital number, since it uses as much as digits as its factorization.

111111022103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265181856.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111111022103 its reverse (301220111111), we get a palindrome (412331133214).

The spelling of 111111022103 in words is "one hundred eleven billion, one hundred eleven million, twenty-two thousand, one hundred three".