111123320322 has 32 divisors (see below), whose sum is σ = 254216945664. Its totient is φ = 31721922000.

The previous prime is 111123320311. The next prime is 111123320323. The reversal of 111123320322 is 223023321111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (111123320323) 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, 1101004 + ... + 1197687.

It is an arithmetic number, because the mean of its divisors is an integer number (7944279552).

Almost surely, 2^111123320322 is an apocalyptic number.

111123320322 is an abundant number, since it is smaller than the sum of its proper divisors (143093625342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111123320322 is a wasteful number, since it uses less digits than its factorization.

111123320322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299854.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111123320322 its reverse (223023321111), we get a palindrome (334146641433).

The spelling of 111123320322 in words is "one hundred eleven billion, one hundred twenty-three million, three hundred twenty thousand, three hundred twenty-two".