111222320111000 has 64 divisors (see below), whose sum is σ = 297440261801280. Its totient is φ = 38133366892800.

The previous prime is 111222320110927. The next prime is 111222320111093. The reversal of 111222320111000 is 111023222111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111222320111000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7944444437 + ... + 7944458436.

It is an arithmetic number, because the mean of its divisors is an integer number (4647504090645).

Almost surely, 2^{111222320111000} is an apocalyptic number.

111222320111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222320111000 is an abundant number, since it is smaller than the sum of its proper divisors (186217941690280).

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

111222320111000 is a wasteful number, since it uses less digits than its factorization.

111222320111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15888902901 (or 15888902887 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111222320111000 its reverse (111023222111), we get a palindrome (111333343333111).

The spelling of 111222320111000 in words is "one hundred eleven trillion, two hundred twenty-two billion, three hundred twenty million, one hundred eleven thousand".