2113311103203 has 8 divisors (see below), whose sum is σ = 2818601755216. Its totient is φ = 1408447260000.

The previous prime is 2113311103157. The next prime is 2113311103207. The reversal of 2113311103203 is 3023011133112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2113311103203 - 2²⁵ = 2113277548771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113311103203.

It is not an unprimeable number, because it can be changed into a prime (2113311103207) 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 7 ways as a sum of consecutive naturals, for example, 106690648 + ... + 106710453.

It is an arithmetic number, because the mean of its divisors is an integer number (352325219402).

Almost surely, 2^{2113311103203} is an apocalyptic number.

2113311103203 is a deficient number, since it is larger than the sum of its proper divisors (705290652013).

2113311103203 is a wasteful number, since it uses less digits than its factorization.

2113311103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213404405.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2113311103203 its reverse (3023011133112), we get a palindrome (5136322236315).

The spelling of 2113311103203 in words is "two trillion, one hundred thirteen billion, three hundred eleven million, one hundred three thousand, two hundred three".