12110221210220 has 48 divisors (see below), whose sum is σ = 29065328802048. Its totient is φ = 4151961858240.

The previous prime is 12110221210211. The next prime is 12110221210237. The reversal of 12110221210220 is 2201212201121.

12110221210220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12110221210220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4011575 + ... + 6349265.

It is an arithmetic number, because the mean of its divisors is an integer number (605527683376).

Almost surely, 2^{12110221210220} is an apocalyptic number.

12110221210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110221210220 is an abundant number, since it is smaller than the sum of its proper divisors (16955107591828).

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

12110221210220 is a wasteful number, since it uses less digits than its factorization.

12110221210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374710 (or 2374708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12110221210220 its reverse (2201212201121), we get a palindrome (14311433411341).

Subtracting from 12110221210220 its reverse (2201212201121), we obtain a palindrome (9909009009099).

It can be divided in two parts, 1211022 and 1210220, that added together give a palindrome (2421242).

The spelling of 12110221210220 in words is "twelve trillion, one hundred ten billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty".