111222322112321 has 16 divisors (see below), whose sum is σ = 127723279715328. Its totient is φ = 94874446270800.

The previous prime is 111222322112303. The next prime is 111222322112353. The reversal of 111222322112321 is 123211223222111.

It is not a de Polignac number, because 111222322112321 - 2⁶ = 111222322112257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111222322112371) 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, 16797956 + ... + 22463658.

It is an arithmetic number, because the mean of its divisors is an integer number (7982704982208).

Almost surely, 2^{111222322112321} is an apocalyptic number.

It is an amenable number.

111222322112321 is a deficient number, since it is larger than the sum of its proper divisors (16500957603007).

111222322112321 is a wasteful number, since it uses less digits than its factorization.

111222322112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679212.

The product of its digits is 1152, while the sum is 26.

Adding to 111222322112321 its reverse (123211223222111), we get a palindrome (234433545334432).

The spelling of 111222322112321 in words is "one hundred eleven trillion, two hundred twenty-two billion, three hundred twenty-two million, one hundred twelve thousand, three hundred twenty-one".