11111341321 has 16 divisors (see below), whose sum is σ = 11971713600. Its totient is φ = 10274162688.

The previous prime is 11111341313. The next prime is 11111341333. The reversal of 11111341321 is 12314311111.

It is a cyclic number.

It is not a de Polignac number, because 11111341321 - 2³ = 11111341313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111341301) 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, 2688985 + ... + 2693113.

It is an arithmetic number, because the mean of its divisors is an integer number (748232100).

Almost surely, 2^11111341321 is an apocalyptic number.

It is an amenable number.

11111341321 is a deficient number, since it is larger than the sum of its proper divisors (860372279).

11111341321 is a wasteful number, since it uses less digits than its factorization.

11111341321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888.

The product of its digits is 72, while the sum is 19.

Adding to 11111341321 its reverse (12314311111), we get a palindrome (23425652432).

The spelling of 11111341321 in words is "eleven billion, one hundred eleven million, three hundred forty-one thousand, three hundred twenty-one".