12011121002222 has 16 divisors (see below), whose sum is σ = 18091945598832. Its totient is φ = 5980481688000.

The previous prime is 12011121002213. The next prime is 12011121002227. The reversal of 12011121002222 is 22220012111021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011121002222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011121002227) 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, 306938 + ... + 4910850.

It is an arithmetic number, because the mean of its divisors is an integer number (1130746599927).

Almost surely, 2^{12011121002222} is an apocalyptic number.

12011121002222 is a deficient number, since it is larger than the sum of its proper divisors (6080824596610).

12011121002222 is a wasteful number, since it uses less digits than its factorization.

12011121002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609363.

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

Adding to 12011121002222 its reverse (22220012111021), we get a palindrome (34231133113243).

The spelling of 12011121002222 in words is "twelve trillion, eleven billion, one hundred twenty-one million, two thousand, two hundred twenty-two".