422121121243 has 2 divisors, whose sum is σ = 422121121244. Its totient is φ = 422121121242.

The previous prime is 422121121193. The next prime is 422121121259. The reversal of 422121121243 is 342121121224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422121121243 - 2²¹ = 422119024091 is a prime.

It is not a weakly prime, because it can be changed into another prime (422121125243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211060560621 + 211060560622.

It is an arithmetic number, because the mean of its divisors is an integer number (211060560622).

Almost surely, 2^422121121243 is an apocalyptic number.

422121121243 is a deficient number, since it is larger than the sum of its proper divisors (1).

422121121243 is an equidigital number, since it uses as much as digits as its factorization.

422121121243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

Adding to 422121121243 its reverse (342121121224), we get a palindrome (764242242467).

The spelling of 422121121243 in words is "four hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred forty-three".