111222201120000 has 360 divisors, whose sum is σ = 370251790376160. Its totient is φ = 29630899200000.

The previous prime is 111222201119971. The next prime is 111222201120053. The reversal of 111222201120000 is 21102222111.

It is a super-3 number, since 3×111222201120000³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 504369766 + ... + 504590234.

Almost surely, 2^{111222201120000} is an apocalyptic number.

111222201120000 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 111222201120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185125895188080).

111222201120000 is an abundant number, since it is smaller than the sum of its proper divisors (259029589256160).

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

111222201120000 is an equidigital number, since it uses as much as digits as its factorization.

111222201120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221559 (or 221530 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111222201120000 its reverse (21102222111), we get a palindrome (111243303342111).

The spelling of 111222201120000 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty thousand".