1111110001103 has 4 divisors (see below), whose sum is σ = 1111112162520. Its totient is φ = 1111107839688.

The previous prime is 1111110001097. The next prime is 1111110001139. The reversal of 1111110001103 is 3011000111111.

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 1111110001103 - 2¹⁰ = 1111110000079 is a prime.

It is a super-2 number, since 2×1111110001103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111110001163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182801 + ... + 1501877.

It is an arithmetic number, because the mean of its divisors is an integer number (277778040630).

Almost surely, 2^{1111110001103} is an apocalyptic number.

1111110001103 is a deficient number, since it is larger than the sum of its proper divisors (2161417).

1111110001103 is an equidigital number, since it uses as much as digits as its factorization.

1111110001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161416.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 1111110001103 its reverse (3011000111111), we get a palindrome (4122110112214).

The spelling of 1111110001103 in words is "one trillion, one hundred eleven billion, one hundred ten million, one thousand, one hundred three".