1111331003321 has 16 divisors (see below), whose sum is σ = 1388641449600. Its totient is φ = 864043514880.

The previous prime is 1111331003317. The next prime is 1111331003333. The reversal of 1111331003321 is 1233001331111.

It is not a de Polignac number, because 1111331003321 - 2² = 1111331003317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111331003293 and 1111331003302.

It is not an unprimeable number, because it can be changed into a prime (1111331003351) 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, 16037666 + ... + 16106811.

It is an arithmetic number, because the mean of its divisors is an integer number (86790090600).

Almost surely, 2^{1111331003321} is an apocalyptic number.

1111331003321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111331003321 is a deficient number, since it is larger than the sum of its proper divisors (277310446279).

1111331003321 is a wasteful number, since it uses less digits than its factorization.

1111331003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32144944.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1111331003321 its reverse (1233001331111), we get a palindrome (2344332334432).

The spelling of 1111331003321 in words is "one trillion, one hundred eleven billion, three hundred thirty-one million, three thousand, three hundred twenty-one".