10243111103 has 4 divisors (see below), whose sum is σ = 10259659560. Its totient is φ = 10226562648.

The previous prime is 10243111097. The next prime is 10243111129. The reversal of 10243111103 is 30111134201.

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 10243111103 - 2²² = 10238916799 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 (10243111163) 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, 8273300 + ... + 8274537.

It is an arithmetic number, because the mean of its divisors is an integer number (2564914890).

Almost surely, 2^10243111103 is an apocalyptic number.

10243111103 is a deficient number, since it is larger than the sum of its proper divisors (16548457).

10243111103 is an equidigital number, since it uses as much as digits as its factorization.

10243111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16548456.

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

Adding to 10243111103 its reverse (30111134201), we get a palindrome (40354245304).

The spelling of 10243111103 in words is "ten billion, two hundred forty-three million, one hundred eleven thousand, one hundred three".