11113321111 has 8 divisors (see below), whose sum is σ = 11198033280. Its totient is φ = 11028825528.

The previous prime is 11113321097. The next prime is 11113321139. The reversal of 11113321111 is 11112331111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11113321111 - 2⁹ = 11113320599 is a prime.

It is a super-2 number, since 2×11113321111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113321151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49620 + ... + 157126.

It is an arithmetic number, because the mean of its divisors is an integer number (1399754160).

Almost surely, 2^11113321111 is an apocalyptic number.

11113321111 is a deficient number, since it is larger than the sum of its proper divisors (84712169).

11113321111 is a wasteful number, since it uses less digits than its factorization.

11113321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108293.

The product of its digits is 18, while the sum is 16.

Adding to 11113321111 its reverse (11112331111), we get a palindrome (22225652222).

The spelling of 11113321111 in words is "eleven billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred eleven".