12211111200122 has 16 divisors (see below), whose sum is σ = 18328523209920. Its totient is φ = 6101603711808.

The previous prime is 12211111200091. The next prime is 12211111200193. The reversal of 12211111200122 is 22100211111221.

It is a super-2 number, since 2×12211111200122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211111200122.

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 7 ways as a sum of consecutive naturals, for example, 195888923 + ... + 195951249.

It is an arithmetic number, because the mean of its divisors is an integer number (1145532700620).

Almost surely, 2^{12211111200122} is an apocalyptic number.

12211111200122 is a deficient number, since it is larger than the sum of its proper divisors (6117412009798).

12211111200122 is a wasteful number, since it uses less digits than its factorization.

12211111200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124165.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211111200122 its reverse (22100211111221), we get a palindrome (34311322311343).

The spelling of 12211111200122 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, two hundred thousand, one hundred twenty-two".