1111013103203 has 2 divisors, whose sum is σ = 1111013103204. Its totient is φ = 1111013103202.

The previous prime is 1111013103199. The next prime is 1111013103257. The reversal of 1111013103203 is 3023013101111.

It is a weak prime.

It is an emirp because it is prime and its reverse (3023013101111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111013103203 - 2² = 1111013103199 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111013103703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555506551601 + 555506551602.

It is an arithmetic number, because the mean of its divisors is an integer number (555506551602).

Almost surely, 2^{1111013103203} is an apocalyptic number.

1111013103203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111013103203 is an equidigital number, since it uses as much as digits as its factorization.

1111013103203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1111013103203 its reverse (3023013101111), we get a palindrome (4134026204314).

The spelling of 1111013103203 in words is "one trillion, one hundred eleven billion, thirteen million, one hundred three thousand, two hundred three".