111054410103 has 192 divisors, whose sum is σ = 199894044672. Its totient is φ = 53493073920.

The previous prime is 111054410063. The next prime is 111054410123. The reversal of 111054410103 is 301014450111.

It is not a de Polignac number, because 111054410103 - 2¹⁰ = 111054409079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 111054410103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111054410123) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 335511648 + ... + 335511978.

It is an arithmetic number, because the mean of its divisors is an integer number (1041114816).

Almost surely, 2^111054410103 is an apocalyptic number.

111054410103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111054410103 is a deficient number, since it is larger than the sum of its proper divisors (88839634569).

111054410103 is a wasteful number, since it uses less digits than its factorization.

111054410103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 111054410103 its reverse (301014450111), we get a palindrome (412068860214).

The spelling of 111054410103 in words is "one hundred eleven billion, fifty-four million, four hundred ten thousand, one hundred three".