12221112201122 has 144 divisors (see below), whose sum is σ = 21785271298560. Its totient is φ = 5134460063040.

The previous prime is 12221112201097. The next prime is 12221112201163. The reversal of 12221112201122 is 22110221112221.

It is a junction number, because it is equal to n+sod(n) for n = 12221112201094 and 12221112201103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5458289279 + ... + 5458291517.

It is an arithmetic number, because the mean of its divisors is an integer number (151286606240).

Almost surely, 2^{12221112201122} is an apocalyptic number.

12221112201122 is a deficient number, since it is larger than the sum of its proper divisors (9564159097438).

12221112201122 is a wasteful number, since it uses less digits than its factorization.

12221112201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797 (or 3767 counting only the distinct ones).

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

Adding to 12221112201122 its reverse (22110221112221), we get a palindrome (34331333313343).

The spelling of 12221112201122 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, two hundred one thousand, one hundred twenty-two".