111321343320 has 64 divisors (see below), whose sum is σ = 364324400640. Its totient is φ = 26986992000.

The previous prime is 111321343313. The next prime is 111321343339. The reversal of 111321343320 is 23343123111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42165856 + ... + 42168495.

It is an arithmetic number, because the mean of its divisors is an integer number (5692568760).

Almost surely, 2^111321343320 is an apocalyptic number.

111321343320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111321343320 is an abundant number, since it is smaller than the sum of its proper divisors (253003057320).

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

111321343320 is a wasteful number, since it uses less digits than its factorization.

111321343320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84334376 (or 84334372 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 111321343320 its reverse (23343123111), we get a palindrome (134664466431).

The spelling of 111321343320 in words is "one hundred eleven billion, three hundred twenty-one million, three hundred forty-three thousand, three hundred twenty".