11112222101120 has 192 divisors, whose sum is σ = 30906493180200. Its totient is φ = 3809390764032.

The previous prime is 11112222101093. The next prime is 11112222101171. The reversal of 11112222101120 is 2110122221111.

It can be written as a sum of positive squares in 4 ways, for example, as 2423451881536 + 8688770219584 = 1556744^2 + 2947672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287645966 + ... + 287684594.

Almost surely, 2^{11112222101120} is an apocalyptic number.

11112222101120 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 11112222101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15453246590100).

11112222101120 is an abundant number, since it is smaller than the sum of its proper divisors (19794271079080).

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

11112222101120 is an equidigital number, since it uses as much as digits as its factorization.

11112222101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47835 (or 47816 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11112222101120 its reverse (2110122221111), we get a palindrome (13222344322231).

The spelling of 11112222101120 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-two million, one hundred one thousand, one hundred twenty".