11103131210103 has 6 divisors (see below), whose sum is σ = 16037856192384. Its totient is φ = 7402087473396.

The previous prime is 11103131209987. The next prime is 11103131210147. The reversal of 11103131210103 is 30101213130111.

It is not a de Polignac number, because 11103131210103 - 2⁹ = 11103131209591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103131214103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616840622775 + ... + 616840622792.

It is an arithmetic number, because the mean of its divisors is an integer number (2672976032064).

Almost surely, 2^{11103131210103} is an apocalyptic number.

11103131210103 is a deficient number, since it is larger than the sum of its proper divisors (4934724982281).

11103131210103 is a wasteful number, since it uses less digits than its factorization.

11103131210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233681245573 (or 1233681245570 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 11103131210103 its reverse (30101213130111), we get a palindrome (41204344340214).

The spelling of 11103131210103 in words is "eleven trillion, one hundred three billion, one hundred thirty-one million, two hundred ten thousand, one hundred three".