12101222211122 has 32 divisors (see below), whose sum is σ = 20127437668800. Its totient is φ = 5410882296000.

The previous prime is 12101222211077. The next prime is 12101222211223. The reversal of 12101222211122 is 22111222210121.

It is a junction number, because it is equal to n+sod(n) for n = 12101222211094 and 12101222211103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17819129 + ... + 18485772.

It is an arithmetic number, because the mean of its divisors is an integer number (628982427150).

Almost surely, 2^{12101222211122} is an apocalyptic number.

12101222211122 is a deficient number, since it is larger than the sum of its proper divisors (8026215457678).

12101222211122 is a wasteful number, since it uses less digits than its factorization.

12101222211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36305162.

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

Adding to 12101222211122 its reverse (22111222210121), we get a palindrome (34212444421243).

The spelling of 12101222211122 in words is "twelve trillion, one hundred one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".