221302122043 has 2 divisors, whose sum is σ = 221302122044. Its totient is φ = 221302122042.

The previous prime is 221302122037. The next prime is 221302122059. The reversal of 221302122043 is 340221203122.

221302122043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221302122043 is a prime.

It is not a weakly prime, because it can be changed into another prime (221302122073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110651061021 + 110651061022.

It is an arithmetic number, because the mean of its divisors is an integer number (110651061022).

Almost surely, 2^221302122043 is an apocalyptic number.

221302122043 is a deficient number, since it is larger than the sum of its proper divisors (1).

221302122043 is an equidigital number, since it uses as much as digits as its factorization.

221302122043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 221302122043 its reverse (340221203122), we get a palindrome (561523325165).

The spelling of 221302122043 in words is "two hundred twenty-one billion, three hundred two million, one hundred twenty-two thousand, forty-three".