11011102222120 has 512 divisors, whose sum is σ = 34067392128000. Its totient is φ = 3156436684800.

The previous prime is 11011102222103. The next prime is 11011102222129. The reversal of 11011102222120 is 2122220111011.

It is a junction number, because it is equal to n+sod(n) for n = 11011102222094 and 11011102222103.

It is not an unprimeable number, because it can be changed into a prime (11011102222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 543452790 + ... + 543473050.

It is an arithmetic number, because the mean of its divisors is an integer number (66537875250).

Almost surely, 2^{11011102222120} is an apocalyptic number.

11011102222120 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 11011102222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17033696064000).

11011102222120 is an abundant number, since it is smaller than the sum of its proper divisors (23056289905880).

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

11011102222120 is a wasteful number, since it uses less digits than its factorization.

11011102222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20594 (or 20576 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11011102222120 its reverse (2122220111011), we get a palindrome (13133322333131).

The spelling of 11011102222120 in words is "eleven trillion, eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty".