221002202222189 has 2 divisors, whose sum is σ = 221002202222190. Its totient is φ = 221002202222188.

The previous prime is 221002202222099. The next prime is 221002202222209. The reversal of 221002202222189 is 981222202200122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168475467636100 + 52526734586089 = 12979810^2 + 7247533^2 .

It is a cyclic number.

It is not a de Polignac number, because 221002202222189 - 2¹⁶ = 221002202156653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221002202228189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501101111094 + 110501101111095.

It is an arithmetic number, because the mean of its divisors is an integer number (110501101111095).

Almost surely, 2^{221002202222189} is an apocalyptic number.

It is an amenable number.

221002202222189 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002202222189 is an equidigital number, since it uses as much as digits as its factorization.

221002202222189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 221002202222189 in words is "two hundred twenty-one trillion, two billion, two hundred two million, two hundred twenty-two thousand, one hundred eighty-nine".