22144121104243 has 2 divisors, whose sum is σ = 22144121104244. Its totient is φ = 22144121104242.

The previous prime is 22144121104229. The next prime is 22144121104247. The reversal of 22144121104243 is 34240112144122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22144121104243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22144121104247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072060552121 + 11072060552122.

It is an arithmetic number, because the mean of its divisors is an integer number (11072060552122).

Almost surely, 2^{22144121104243} is an apocalyptic number.

22144121104243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144121104243 is an equidigital number, since it uses as much as digits as its factorization.

22144121104243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 22144121104243 its reverse (34240112144122), we get a palindrome (56384233248365).

The spelling of 22144121104243 in words is "twenty-two trillion, one hundred forty-four billion, one hundred twenty-one million, one hundred four thousand, two hundred forty-three".