2103111342311 has 6 divisors (see below), whose sum is σ = 2446476459480. Its totient is φ = 1802666864796.

The previous prime is 2103111342251. The next prime is 2103111342323. The reversal of 2103111342311 is 1132431113012.

It is not a de Polignac number, because 2103111342311 - 2⁶ = 2103111342247 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 (2103111342391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21460319771 + ... + 21460319868.

It is an arithmetic number, because the mean of its divisors is an integer number (407746076580).

Almost surely, 2^{2103111342311} is an apocalyptic number.

2103111342311 is a deficient number, since it is larger than the sum of its proper divisors (343365117169).

2103111342311 is an equidigital number, since it uses as much as digits as its factorization.

2103111342311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42920639653 (or 42920639646 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 2103111342311 its reverse (1132431113012), we get a palindrome (3235542455323).

The spelling of 2103111342311 in words is "two trillion, one hundred three billion, one hundred eleven million, three hundred forty-two thousand, three hundred eleven".