111322321021231 has 8 divisors (see below), whose sum is σ = 111395023188800. Its totient is φ = 111249619934112.

The previous prime is 111322321021117. The next prime is 111322321021237. The reversal of 111322321021231 is 132120123223111.

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 111322321021231 - 2³⁵ = 111287961282863 is a prime.

It is a super-3 number, since 3×111322321021231³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111322321021196 and 111322321021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111322321021237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376790641 + ... + 377085973.

It is an arithmetic number, because the mean of its divisors is an integer number (13924377898600).

Almost surely, 2^{111322321021231} is an apocalyptic number.

111322321021231 is a deficient number, since it is larger than the sum of its proper divisors (72702167569).

111322321021231 is a wasteful number, since it uses less digits than its factorization.

111322321021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540225.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 111322321021231 its reverse (132120123223111), we get a palindrome (243442444244342).

The spelling of 111322321021231 in words is "one hundred eleven trillion, three hundred twenty-two billion, three hundred twenty-one million, twenty-one thousand, two hundred thirty-one".