111322331221023 has 24 divisors (see below), whose sum is σ = 179139383579520. Its totient is φ = 66143772394560.

The previous prime is 111322331220979. The next prime is 111322331221043. The reversal of 111322331221023 is 320122133223111.

111322331221023 is a `hidden beast` number, since 1 + 1 + 1 + 322 + 3 + 312 + 2 + 1 + 0 + 23 = 666.

It is not a de Polignac number, because 111322331221023 - 2¹³ = 111322331212831 is a prime.

It is a super-4 number, since 4×111322331221023⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111322331221043) 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 23 ways as a sum of consecutive naturals, for example, 16404702063 + ... + 16404708848.

It is an arithmetic number, because the mean of its divisors is an integer number (7464140982480).

Almost surely, 2^{111322331221023} is an apocalyptic number.

111322331221023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111322331221023 is a deficient number, since it is larger than the sum of its proper divisors (67817052358497).

111322331221023 is a wasteful number, since it uses less digits than its factorization.

111322331221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32809410959 (or 32809410956 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 111322331221023 its reverse (320122133223111), we get a palindrome (431444464444134).

The spelling of 111322331221023 in words is "one hundred eleven trillion, three hundred twenty-two billion, three hundred thirty-one million, two hundred twenty-one thousand, twenty-three".