222202210010161 has 2 divisors, whose sum is σ = 222202210010162. Its totient is φ = 222202210010160.

The previous prime is 222202210010153. The next prime is 222202210010173. The reversal of 222202210010161 is 161010012202222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142852240230561 + 79349969779600 = 11952081^2 + 8907860^2 .

It is a cyclic number.

It is not a de Polignac number, because 222202210010161 - 2³ = 222202210010153 is a prime.

It is not a weakly prime, because it can be changed into another prime (222202210010101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111101105005080 + 111101105005081.

It is an arithmetic number, because the mean of its divisors is an integer number (111101105005081).

Almost surely, 2^{222202210010161} is an apocalyptic number.

It is an amenable number.

222202210010161 is a deficient number, since it is larger than the sum of its proper divisors (1).

222202210010161 is an equidigital number, since it uses as much as digits as its factorization.

222202210010161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 222202210010161 its reverse (161010012202222), we get a palindrome (383212222212383).

The spelling of 222202210010161 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred ten million, ten thousand, one hundred sixty-one".