12221102100043 has 2 divisors, whose sum is σ = 12221102100044. Its totient is φ = 12221102100042.

The previous prime is 12221102099959. The next prime is 12221102100061. The reversal of 12221102100043 is 34000120112221.

It is a strong prime.

It is an emirp because it is prime and its reverse (34000120112221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221102100043 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221102100143) by changing a digit.

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 as a sum of consecutive naturals, namely, 6110551050021 + 6110551050022.

It is an arithmetic number, because the mean of its divisors is an integer number (6110551050022).

Almost surely, 2^{12221102100043} is an apocalyptic number.

12221102100043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221102100043 is an equidigital number, since it uses as much as digits as its factorization.

12221102100043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12221102100043 its reverse (34000120112221), we get a palindrome (46221222212264).

The spelling of 12221102100043 in words is "twelve trillion, two hundred twenty-one billion, one hundred two million, one hundred thousand, forty-three".