22020021022177 has 2 divisors, whose sum is σ = 22020021022178. Its totient is φ = 22020021022176.

The previous prime is 22020021022151. The next prime is 22020021022277. The reversal of 22020021022177 is 77122012002022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20776831701921 + 1243189320256 = 4558161^2 + 1114984^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020021022177 - 2²⁷ = 22019886804449 is a prime.

It is not a weakly prime, because it can be changed into another prime (22020021022117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010010511088 + 11010010511089.

It is an arithmetic number, because the mean of its divisors is an integer number (11010010511089).

Almost surely, 2^{22020021022177} is an apocalyptic number.

It is an amenable number.

22020021022177 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020021022177 is an equidigital number, since it uses as much as digits as its factorization.

22020021022177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 28.

Adding to 22020021022177 its reverse (77122012002022), we get a palindrome (99142033024199).

The spelling of 22020021022177 in words is "twenty-two trillion, twenty billion, twenty-one million, twenty-two thousand, one hundred seventy-seven".