220001022071 has 2 divisors, whose sum is σ = 220001022072. Its totient is φ = 220001022070.

The previous prime is 220001022011. The next prime is 220001022079. The reversal of 220001022071 is 170220100022.

220001022071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220001022071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220001022079) 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, 110000511035 + 110000511036.

It is an arithmetic number, because the mean of its divisors is an integer number (110000511036).

Almost surely, 2^220001022071 is an apocalyptic number.

220001022071 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001022071 is an equidigital number, since it uses as much as digits as its factorization.

220001022071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 220001022071 its reverse (170220100022), we get a palindrome (390221122093).

The spelling of 220001022071 in words is "two hundred twenty billion, one million, twenty-two thousand, seventy-one".