110110100121173 has 2 divisors, whose sum is σ = 110110100121174. Its totient is φ = 110110100121172.

The previous prime is 110110100121167. The next prime is 110110100121253. The reversal of 110110100121173 is 371121001011011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76481443964689 + 33628656156484 = 8745367^2 + 5799022^2 .

It is a cyclic number.

It is not a de Polignac number, because 110110100121173 - 2³⁴ = 110092920251989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110110100123173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055050060586 + 55055050060587.

It is an arithmetic number, because the mean of its divisors is an integer number (55055050060587).

Almost surely, 2^{110110100121173} is an apocalyptic number.

It is an amenable number.

110110100121173 is a deficient number, since it is larger than the sum of its proper divisors (1).

110110100121173 is an equidigital number, since it uses as much as digits as its factorization.

110110100121173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 20.

Adding to 110110100121173 its reverse (371121001011011), we get a palindrome (481231101132184).

The spelling of 110110100121173 in words is "one hundred ten trillion, one hundred ten billion, one hundred million, one hundred twenty-one thousand, one hundred seventy-three".