2143324433111 has 16 divisors (see below), whose sum is σ = 2209116067200. Its totient is φ = 2078444275200.

The previous prime is 2143324433087. The next prime is 2143324433123. The reversal of 2143324433111 is 1113344233412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143324433111 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 (2143324433141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426585 + ... + 3189821.

It is an arithmetic number, because the mean of its divisors is an integer number (138069754200).

Almost surely, 2^{2143324433111} is an apocalyptic number.

2143324433111 is a deficient number, since it is larger than the sum of its proper divisors (65791634089).

2143324433111 is a wasteful number, since it uses less digits than its factorization.

2143324433111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763834.

The product of its digits is 20736, while the sum is 32.

Adding to 2143324433111 its reverse (1113344233412), we get a palindrome (3256668666523).

The spelling of 2143324433111 in words is "two trillion, one hundred forty-three billion, three hundred twenty-four million, four hundred thirty-three thousand, one hundred eleven".