111434143344211 has 64 divisors (see below), whose sum is σ = 122812053811200. Its totient is φ = 100707531724800.

The previous prime is 111434143344203. The next prime is 111434143344217. The reversal of 111434143344211 is 112443341434111.

It is not a de Polignac number, because 111434143344211 - 2³ = 111434143344203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111434143344217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5577553620 + ... + 5577573598.

It is an arithmetic number, because the mean of its divisors is an integer number (1918938340800).

Almost surely, 2^{111434143344211} is an apocalyptic number.

111434143344211 is a deficient number, since it is larger than the sum of its proper divisors (11377910466989).

111434143344211 is a wasteful number, since it uses less digits than its factorization.

111434143344211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20900.

The product of its digits is 55296, while the sum is 37.

Adding to 111434143344211 its reverse (112443341434111), we get a palindrome (223877484778322).

The spelling of 111434143344211 in words is "one hundred eleven trillion, four hundred thirty-four billion, one hundred forty-three million, three hundred forty-four thousand, two hundred eleven".