22102000020017 has 2 divisors, whose sum is σ = 22102000020018. Its totient is φ = 22102000020016.

The previous prime is 22102000019989. The next prime is 22102000020077. The reversal of 22102000020017 is 71002000020122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18509303435536 + 3592696584481 = 4302244^2 + 1895441^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102000020017 - 2²² = 22101995825713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22102000019977 and 22102000020004.

It is not a weakly prime, because it can be changed into another prime (22102000020077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051000010008 + 11051000010009.

It is an arithmetic number, because the mean of its divisors is an integer number (11051000010009).

Almost surely, 2^{22102000020017} is an apocalyptic number.

It is an amenable number.

22102000020017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102000020017 is an equidigital number, since it uses as much as digits as its factorization.

22102000020017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 22102000020017 its reverse (71002000020122), we get a palindrome (93104000040139).

The spelling of 22102000020017 in words is "twenty-two trillion, one hundred two billion, twenty thousand, seventeen".