1100001120173 has 2 divisors, whose sum is σ = 1100001120174. Its totient is φ = 1100001120172.

The previous prime is 1100001120149. The next prime is 1100001120287. The reversal of 1100001120173 is 3710211000011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 955306850404 + 144694269769 = 977398^2 + 380387^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100001120173 - 2²⁸ = 1099732684717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100001120773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000560086 + 550000560087.

It is an arithmetic number, because the mean of its divisors is an integer number (550000560087).

Almost surely, 2^{1100001120173} is an apocalyptic number.

It is an amenable number.

1100001120173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100001120173 is an equidigital number, since it uses as much as digits as its factorization.

1100001120173 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 17.

Adding to 1100001120173 its reverse (3710211000011), we get a palindrome (4810212120184).

The spelling of 1100001120173 in words is "one trillion, one hundred billion, one million, one hundred twenty thousand, one hundred seventy-three".