111012254103 has 4 divisors (see below), whose sum is σ = 148016338808. Its totient is φ = 74008169400.

The previous prime is 111012254083. The next prime is 111012254117. The reversal of 111012254103 is 301452210111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 111012254103 - 2⁶ = 111012254039 is a prime.

It is a super-2 number, since 2×111012254103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111012254103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012254173) 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 3 ways as a sum of consecutive naturals, for example, 18502042348 + ... + 18502042353.

It is an arithmetic number, because the mean of its divisors is an integer number (37004084702).

Almost surely, 2^111012254103 is an apocalyptic number.

111012254103 is a deficient number, since it is larger than the sum of its proper divisors (37004084705).

111012254103 is an equidigital number, since it uses as much as digits as its factorization.

111012254103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37004084704.

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

Adding to 111012254103 its reverse (301452210111), we get a palindrome (412464464214).

The spelling of 111012254103 in words is "one hundred eleven billion, twelve million, two hundred fifty-four thousand, one hundred three".