1112311011103 has 4 divisors (see below), whose sum is σ = 1150666563240. Its totient is φ = 1073955458968.

The previous prime is 1112311011101. The next prime is 1112311011139. The reversal of 1112311011103 is 3011101132111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112311011103 - 2¹ = 1112311011101 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 (1112311011101) 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, 19177776025 + ... + 19177776082.

It is an arithmetic number, because the mean of its divisors is an integer number (287666640810).

Almost surely, 2^{1112311011103} is an apocalyptic number.

1112311011103 is a deficient number, since it is larger than the sum of its proper divisors (38355552137).

1112311011103 is an equidigital number, since it uses as much as digits as its factorization.

1112311011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38355552136.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1112311011103 its reverse (3011101132111), we get a palindrome (4123412143214).

The spelling of 1112311011103 in words is "one trillion, one hundred twelve billion, three hundred eleven million, eleven thousand, one hundred three".