222020010161 has 2 divisors, whose sum is σ = 222020010162. Its totient is φ = 222020010160.

The previous prime is 222020010109. The next prime is 222020010197. The reversal of 222020010161 is 161010020222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113261863936 + 108758146225 = 336544^2 + 329785^2 .

It is a cyclic number.

It is not a de Polignac number, because 222020010161 - 2¹⁴ = 222019993777 is a prime.

It is not a weakly prime, because it can be changed into another prime (222020010101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010005080 + 111010005081.

It is an arithmetic number, because the mean of its divisors is an integer number (111010005081).

Almost surely, 2^222020010161 is an apocalyptic number.

It is an amenable number.

222020010161 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020010161 is an equidigital number, since it uses as much as digits as its factorization.

222020010161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222020010161 its reverse (161010020222), we get a palindrome (383030030383).

The spelling of 222020010161 in words is "two hundred twenty-two billion, twenty million, ten thousand, one hundred sixty-one".