12222111122210 has 128 divisors (see below), whose sum is σ = 24543261646848. Its totient is φ = 4344930720000.

The previous prime is 12222111122209. The next prime is 12222111122239. The reversal of 12222111122210 is 1222111122221.

12222111122210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2662187015 + ... + 2662191605.

It is an arithmetic number, because the mean of its divisors is an integer number (191744231616).

Almost surely, 2^{12222111122210} is an apocalyptic number.

12222111122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222111122210 is an abundant number, since it is smaller than the sum of its proper divisors (12321150524638).

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

12222111122210 is a wasteful number, since it uses less digits than its factorization.

12222111122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12222111122210 its reverse (1222111122221), we get a palindrome (13444222244431).

It can be divided in two parts, 12222111 and 122210, that added together give a palindrome (12344321).

The spelling of 12222111122210 in words is "twelve trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, two hundred ten".