1200110203103 has 16 divisors (see below), whose sum is σ = 1375331704320. Its totient is φ = 1025836812000.

The previous prime is 1200110203099. The next prime is 1200110203207. The reversal of 1200110203103 is 3013020110021.

It is not a de Polignac number, because 1200110203103 - 2² = 1200110203099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200110203403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3636053 + ... + 3952353.

It is an arithmetic number, because the mean of its divisors is an integer number (85958231520).

Almost surely, 2^{1200110203103} is an apocalyptic number.

1200110203103 is a deficient number, since it is larger than the sum of its proper divisors (175221501217).

1200110203103 is an equidigital number, since it uses as much as digits as its factorization.

1200110203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317798.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1200110203103 its reverse (3013020110021), we get a palindrome (4213130313124).

The spelling of 1200110203103 in words is "one trillion, two hundred billion, one hundred ten million, two hundred three thousand, one hundred three".