1112321321121 has 16 divisors (see below), whose sum is σ = 1505274613568. Its totient is φ = 730458432000.

The previous prime is 1112321321107. The next prime is 1112321321123. The reversal of 1112321321121 is 1211231232111.

It is not a de Polignac number, because 1112321321121 - 2¹¹ = 1112321319073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112321321123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9954441 + ... + 10065561.

It is an arithmetic number, because the mean of its divisors is an integer number (94079663348).

Almost surely, 2^{1112321321121} is an apocalyptic number.

It is an amenable number.

1112321321121 is a deficient number, since it is larger than the sum of its proper divisors (392953292447).

1112321321121 is a wasteful number, since it uses less digits than its factorization.

1112321321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160992.

The product of its digits is 144, while the sum is 21.

Adding to 1112321321121 its reverse (1211231232111), we get a palindrome (2323552553232).

The spelling of 1112321321121 in words is "one trillion, one hundred twelve billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-one".