12221102022149 has 2 divisors, whose sum is σ = 12221102022150. Its totient is φ = 12221102022148.

The previous prime is 12221102022133. The next prime is 12221102022211. The reversal of 12221102022149 is 94122020112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9138468540100 + 3082633482049 = 3022990^2 + 1755743^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221102022149 - 2⁴ = 12221102022133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221102022049) 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, 6110551011074 + 6110551011075.

It is an arithmetic number, because the mean of its divisors is an integer number (6110551011075).

Almost surely, 2^{12221102022149} is an apocalyptic number.

It is an amenable number.

12221102022149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221102022149 is an equidigital number, since it uses as much as digits as its factorization.

12221102022149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 12221102022149 in words is "twelve trillion, two hundred twenty-one billion, one hundred two million, twenty-two thousand, one hundred forty-nine".