1010100122173 has 2 divisors, whose sum is σ = 1010100122174. Its totient is φ = 1010100122172.

The previous prime is 1010100122149. The next prime is 1010100122203. The reversal of 1010100122173 is 3712210010101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009870235929 + 229886244 = 1004923^2 + 15162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010100122173 - 2⁹ = 1010100121661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010100122173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010100126173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505050061086 + 505050061087.

It is an arithmetic number, because the mean of its divisors is an integer number (505050061087).

Almost surely, 2^{1010100122173} is an apocalyptic number.

It is an amenable number.

1010100122173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010100122173 is an equidigital number, since it uses as much as digits as its factorization.

1010100122173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 1010100122173 its reverse (3712210010101), we get a palindrome (4722310132274).

The spelling of 1010100122173 in words is "one trillion, ten billion, one hundred million, one hundred twenty-two thousand, one hundred seventy-three".