11343321111 has 32 divisors (see below), whose sum is σ = 16133644800. Its totient is φ = 7064407040.

The previous prime is 11343321091. The next prime is 11343321127. The reversal of 11343321111 is 11112334311.

It is a cyclic number.

It is not a de Polignac number, because 11343321111 - 2¹¹ = 11343319063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343321161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7658491 + ... + 7659971.

It is an arithmetic number, because the mean of its divisors is an integer number (504176400).

Almost surely, 2^11343321111 is an apocalyptic number.

11343321111 is a deficient number, since it is larger than the sum of its proper divisors (4790323689).

11343321111 is a wasteful number, since it uses less digits than its factorization.

11343321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519.

The product of its digits is 216, while the sum is 21.

Adding to 11343321111 its reverse (11112334311), we get a palindrome (22455655422).

The spelling of 11343321111 in words is "eleven billion, three hundred forty-three million, three hundred twenty-one thousand, one hundred eleven".