12111222002222 has 8 divisors (see below), whose sum is σ = 20762094860976. Its totient is φ = 5190523715232.

The previous prime is 12111222002189. The next prime is 12111222002239. The reversal of 12111222002222 is 22220022211121.

12111222002222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12111222002194 and 12111222002203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432543642923 + ... + 432543642950.

It is an arithmetic number, because the mean of its divisors is an integer number (2595261857622).

Almost surely, 2^{12111222002222} is an apocalyptic number.

12111222002222 is a deficient number, since it is larger than the sum of its proper divisors (8650872858754).

12111222002222 is an equidigital number, since it uses as much as digits as its factorization.

12111222002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865087285882.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12111222002222 its reverse (22220022211121), we get a palindrome (34331244213343).

The spelling of 12111222002222 in words is "twelve trillion, one hundred eleven billion, two hundred twenty-two million, two thousand, two hundred twenty-two".