1120203003103 has 4 divisors (see below), whose sum is σ = 1144037109600. Its totient is φ = 1096368896608.

The previous prime is 1120203003013. The next prime is 1120203003109. The reversal of 1120203003103 is 3013003020211.

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 1120203003103 - 2⁹ = 1120203002591 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 (1120203003109) 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, 11917053178 + ... + 11917053271.

It is an arithmetic number, because the mean of its divisors is an integer number (286009277400).

Almost surely, 2^{1120203003103} is an apocalyptic number.

1120203003103 is a deficient number, since it is larger than the sum of its proper divisors (23834106497).

1120203003103 is an equidigital number, since it uses as much as digits as its factorization.

1120203003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23834106496.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1120203003103 its reverse (3013003020211), we get a palindrome (4133206023314).

The spelling of 1120203003103 in words is "one trillion, one hundred twenty billion, two hundred three million, three thousand, one hundred three".