12111010102220 has 24 divisors (see below), whose sum is σ = 25433205617904. Its totient is φ = 4844387964096.

The previous prime is 12111010102189. The next prime is 12111010102229. The reversal of 12111010102220 is 2220101011121.

12111010102220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12111010102195 and 12111010102204.

It is not an unprimeable number, because it can be changed into a prime (12111010102229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6562427 + ... + 8202893.

It is an arithmetic number, because the mean of its divisors is an integer number (1059716900746).

Almost surely, 2^{12111010102220} is an apocalyptic number.

12111010102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111010102220 is an abundant number, since it is smaller than the sum of its proper divisors (13322195515684).

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

12111010102220 is a wasteful number, since it uses less digits than its factorization.

12111010102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009609 (or 2009607 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12111010102220 its reverse (2220101011121), we get a palindrome (14331111113341).

The spelling of 12111010102220 in words is "twelve trillion, one hundred eleven billion, ten million, one hundred two thousand, two hundred twenty".