1111322333231 has 8 divisors (see below), whose sum is σ = 1221897713664. Its totient is φ = 1002337965720.

The previous prime is 1111322333203. The next prime is 1111322333263. The reversal of 1111322333231 is 1323332231111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111322333231 is a prime.

It is a super-2 number, since 2×1111322333231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111322333231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111322333431) 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, 397751765 + ... + 397754558.

It is an arithmetic number, because the mean of its divisors is an integer number (152737214208).

Almost surely, 2^{1111322333231} is an apocalyptic number.

1111322333231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111322333231 is a deficient number, since it is larger than the sum of its proper divisors (110575380433).

1111322333231 is a wasteful number, since it uses less digits than its factorization.

1111322333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795506461.

The product of its digits is 1944, while the sum is 26.

Adding to 1111322333231 its reverse (1323332231111), we get a palindrome (2434654564342).

The spelling of 1111322333231 in words is "one trillion, one hundred eleven billion, three hundred twenty-two million, three hundred thirty-three thousand, two hundred thirty-one".