12111102002220 has 48 divisors (see below), whose sum is σ = 36519630655200. Its totient is φ = 2981194338816.

The previous prime is 12111102002191. The next prime is 12111102002221. The reversal of 12111102002220 is 2220020111121.

12111102002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12111102002220.

It is not an unprimeable number, because it can be changed into a prime (12111102002221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7763526145 + ... + 7763527704.

It is an arithmetic number, because the mean of its divisors is an integer number (760825638650).

Almost surely, 2^{12111102002220} is an apocalyptic number.

12111102002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111102002220 is an abundant number, since it is smaller than the sum of its proper divisors (24408528652980).

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

12111102002220 is a wasteful number, since it uses less digits than its factorization.

12111102002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15527053874 (or 15527053872 counting only the distinct ones).

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

Adding to 12111102002220 its reverse (2220020111121), we get a palindrome (14331122113341).

The spelling of 12111102002220 in words is "twelve trillion, one hundred eleven billion, one hundred two million, two thousand, two hundred twenty".