221002202210071 has 2 divisors, whose sum is σ = 221002202210072. Its totient is φ = 221002202210070.

The previous prime is 221002202210047. The next prime is 221002202210233. The reversal of 221002202210071 is 170012202200122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221002202210071 - 2²³ = 221002193821463 is a prime.

It is a super-2 number, since 2×221002202210071² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221002202510071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501101105035 + 110501101105036.

It is an arithmetic number, because the mean of its divisors is an integer number (110501101105036).

Almost surely, 2^{221002202210071} is an apocalyptic number.

221002202210071 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002202210071 is an equidigital number, since it uses as much as digits as its factorization.

221002202210071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 221002202210071 its reverse (170012202200122), we get a palindrome (391014404410193).

The spelling of 221002202210071 in words is "two hundred twenty-one trillion, two billion, two hundred two million, two hundred ten thousand, seventy-one".