1111321301231 has 8 divisors (see below), whose sum is σ = 1155418144944. Its totient is φ = 1068033574080.

The previous prime is 1111321301213. The next prime is 1111321301269. The reversal of 1111321301231 is 1321031231111.

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-1111321301231 is a prime.

It is a super-2 number, since 2×1111321301231² (a number of 25 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 (1111321303231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202276340 + ... + 202281833.

It is an arithmetic number, because the mean of its divisors is an integer number (144427268118).

Almost surely, 2^{1111321301231} is an apocalyptic number.

1111321301231 is a deficient number, since it is larger than the sum of its proper divisors (44096843713).

1111321301231 is an equidigital number, since it uses as much as digits as its factorization.

1111321301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404558281.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1111321301231 its reverse (1321031231111), we get a palindrome (2432352532342).

The spelling of 1111321301231 in words is "one trillion, one hundred eleven billion, three hundred twenty-one million, three hundred one thousand, two hundred thirty-one".