11011220000022 has 320 divisors, whose sum is σ = 26775631872000. Its totient is φ = 3006460670400.

The previous prime is 11011220000021. The next prime is 11011220000051. The reversal of 11011220000022 is 22000002211011.

It is a junction number, because it is equal to n+sod(n) for n = 11011219999962 and 11011220000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011220000021) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3052734543 + ... + 3052738149.

It is an arithmetic number, because the mean of its divisors is an integer number (83673849600).

Almost surely, 2^{11011220000022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11011220000022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13387815936000).

11011220000022 is an abundant number, since it is smaller than the sum of its proper divisors (15764411871978).

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

11011220000022 is a wasteful number, since it uses less digits than its factorization.

11011220000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11011220000022 its reverse (22000002211011), we get a palindrome (33011222211033).

It can be divided in two parts, 11011 and 220000022, that multiplied together give a palindrome (2422420242242).

The spelling of 11011220000022 in words is "eleven trillion, eleven billion, two hundred twenty million, twenty-two", and thus it is an aban number.