22201020105689 has 2 divisors, whose sum is σ = 22201020105690. Its totient is φ = 22201020105688.

The previous prime is 22201020105631. The next prime is 22201020105697. The reversal of 22201020105689 is 98650102010222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11523254846464 + 10677765259225 = 3394592^2 + 3267685^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201020105689 - 2²⁸ = 22200751670233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22201020105989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100510052844 + 11100510052845.

It is an arithmetic number, because the mean of its divisors is an integer number (11100510052845).

Almost surely, 2^{22201020105689} is an apocalyptic number.

It is an amenable number.

22201020105689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201020105689 is an equidigital number, since it uses as much as digits as its factorization.

22201020105689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 22201020105689 in words is "twenty-two trillion, two hundred one billion, twenty million, one hundred five thousand, six hundred eighty-nine".