111220112120000 has 280 divisors, whose sum is σ = 307245896403600. Its totient is φ = 39649817088000.

The previous prime is 111220112119997. The next prime is 111220112120017. The reversal of 111220112120000 is 21211022111.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11392331 + ... + 18767669.

It is an arithmetic number, because the mean of its divisors is an integer number (1097306772870).

Almost surely, 2^{111220112120000} is an apocalyptic number.

111220112120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111220112120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153622948201800).

111220112120000 is an abundant number, since it is smaller than the sum of its proper divisors (196025784283600).

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

111220112120000 is an equidigital number, since it uses as much as digits as its factorization.

111220112120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375413 (or 7375388 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111220112120000 its reverse (21211022111), we get a palindrome (111241323142111).

The spelling of 111220112120000 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twelve million, one hundred twenty thousand".