1111200031321 has 8 divisors (see below), whose sum is σ = 1116335907360. Its totient is φ = 1106066267328.

The previous prime is 1111200031313. The next prime is 1111200031339. The reversal of 1111200031321 is 1231300021111.

It is a happy number.

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 1111200031321 - 2³ = 1111200031313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111200031295 and 1111200031304.

It is not an unprimeable number, because it can be changed into a prime (1111200032321) 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, 531570 + ... + 1582708.

It is an arithmetic number, because the mean of its divisors is an integer number (139541988420).

Almost surely, 2^{1111200031321} is an apocalyptic number.

It is an amenable number.

1111200031321 is a deficient number, since it is larger than the sum of its proper divisors (5135876039).

1111200031321 is a wasteful number, since it uses less digits than its factorization.

1111200031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056023.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1111200031321 its reverse (1231300021111), we get a palindrome (2342500052432).

The spelling of 1111200031321 in words is "one trillion, one hundred eleven billion, two hundred million, thirty-one thousand, three hundred twenty-one".