11220212120 has 96 divisors (see below), whose sum is σ = 28694146320. Its totient is φ = 3924737280.

The previous prime is 11220212117. The next prime is 11220212123. The reversal of 11220212120 is 2121202211.

11220212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11220212117) and next prime (11220212123).

It is a junction number, because it is equal to n+sod(n) for n = 11220212095 and 11220212104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220212123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157835 + ... + 217605.

Almost surely, 2^11220212120 is an apocalyptic number.

11220212120 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 11220212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14347073160).

11220212120 is an abundant number, since it is smaller than the sum of its proper divisors (17473934200).

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

11220212120 is a wasteful number, since it uses less digits than its factorization.

11220212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59833 (or 59810 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11220212120 its reverse (2121202211), we get a palindrome (13341414331).

Subtracting from 11220212120 its reverse (2121202211), we obtain a palindrome (9099009909).

The spelling of 11220212120 in words is "eleven billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty".