111021403103 has 8 divisors (see below), whose sum is σ = 119564482800. Its totient is φ = 102478747968.

The previous prime is 111021403099. The next prime is 111021403127. The reversal of 111021403103 is 301304120111.

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 111021403103 - 2² = 111021403099 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 (111021403133) 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, 622043 + ... + 780371.

It is an arithmetic number, because the mean of its divisors is an integer number (14945560350).

Almost surely, 2^111021403103 is an apocalyptic number.

111021403103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111021403103 is a deficient number, since it is larger than the sum of its proper divisors (8543079697).

111021403103 is a wasteful number, since it uses less digits than its factorization.

111021403103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212281.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111021403103 its reverse (301304120111), we get a palindrome (412325523214).

The spelling of 111021403103 in words is "one hundred eleven billion, twenty-one million, four hundred three thousand, one hundred three".