2132111111311 has 4 divisors (see below), whose sum is σ = 2135845106824. Its totient is φ = 2128377115800.

The previous prime is 2132111111297. The next prime is 2132111111381. The reversal of 2132111111311 is 1131111112312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2132111111311 - 2²⁷ = 2131976893583 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 (2132111111381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866996900 + ... + 1866998041.

It is an arithmetic number, because the mean of its divisors is an integer number (533961276706).

Almost surely, 2^{2132111111311} is an apocalyptic number.

2132111111311 is a deficient number, since it is larger than the sum of its proper divisors (3733995513).

2132111111311 is an equidigital number, since it uses as much as digits as its factorization.

2132111111311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733995512.

The product of its digits is 36, while the sum is 19.

Adding to 2132111111311 its reverse (1131111112312), we get a palindrome (3263222223623).

It can be divided in two parts, 2132111 and 111311, that added together give a palindrome (2243422).

The spelling of 2132111111311 in words is "two trillion, one hundred thirty-two billion, one hundred eleven million, one hundred eleven thousand, three hundred eleven".