110021022173 has 2 divisors, whose sum is σ = 110021022174. Its totient is φ = 110021022172.

The previous prime is 110021022107. The next prime is 110021022187. The reversal of 110021022173 is 371220120011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68918325529 + 41102696644 = 262523^2 + 202738^2 .

It is a cyclic number.

It is not a de Polignac number, because 110021022173 - 2¹⁶ = 110020956637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110021622173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010511086 + 55010511087.

It is an arithmetic number, because the mean of its divisors is an integer number (55010511087).

Almost surely, 2^110021022173 is an apocalyptic number.

It is an amenable number.

110021022173 is a deficient number, since it is larger than the sum of its proper divisors (1).

110021022173 is an equidigital number, since it uses as much as digits as its factorization.

110021022173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 110021022173 its reverse (371220120011), we get a palindrome (481241142184).

The spelling of 110021022173 in words is "one hundred ten billion, twenty-one million, twenty-two thousand, one hundred seventy-three".