11231112321111 has 8 divisors (see below), whose sum is σ = 14974835896944. Its totient is φ = 7487398479680.

The previous prime is 11231112321103. The next prime is 11231112321113. The reversal of 11231112321111 is 11112321113211.

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 11231112321111 - 2³ = 11231112321103 is a prime.

It is a super-2 number, since 2×11231112321111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231112321113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917851 + ... + 4827491.

It is an arithmetic number, because the mean of its divisors is an integer number (1871854487118).

Almost surely, 2^{11231112321111} is an apocalyptic number.

11231112321111 is a deficient number, since it is larger than the sum of its proper divisors (3743723575833).

11231112321111 is an equidigital number, since it uses as much as digits as its factorization.

11231112321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867201.

The product of its digits is 72, while the sum is 21.

Adding to 11231112321111 its reverse (11112321113211), we get a palindrome (22343433434322).

The spelling of 11231112321111 in words is "eleven trillion, two hundred thirty-one billion, one hundred twelve million, three hundred twenty-one thousand, one hundred eleven".