111321320133120 has 80 divisors (see below), whose sum is σ = 355880345325120. Its totient is φ = 29685685366784.

The previous prime is 111321320133113. The next prime is 111321320133197. The reversal of 111321320133120 is 21331023123111.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7247474100 + ... + 7247489459.

It is an arithmetic number, because the mean of its divisors is an integer number (4448504316564).

Almost surely, 2^{111321320133120} is an apocalyptic number.

111321320133120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111321320133120 is an abundant number, since it is smaller than the sum of its proper divisors (244559025192000).

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

111321320133120 is an equidigital number, since it uses as much as digits as its factorization.

111321320133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14494963585 (or 14494963569 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 111321320133120 its reverse (21331023123111), we get a palindrome (132652343256231).

The spelling of 111321320133120 in words is "one hundred eleven trillion, three hundred twenty-one billion, three hundred twenty million, one hundred thirty-three thousand, one hundred twenty".