101210223173 has 2 divisors, whose sum is σ = 101210223174. Its totient is φ = 101210223172.

The previous prime is 101210223167. The next prime is 101210223193. The reversal of 101210223173 is 371322012101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95185824484 + 6024398689 = 308522^2 + 77617^2 .

It is a cyclic number.

It is not a de Polignac number, because 101210223173 - 2⁸ = 101210222917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210223193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605111586 + 50605111587.

It is an arithmetic number, because the mean of its divisors is an integer number (50605111587).

Almost surely, 2^101210223173 is an apocalyptic number.

It is an amenable number.

101210223173 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210223173 is an equidigital number, since it uses as much as digits as its factorization.

101210223173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 101210223173 its reverse (371322012101), we get a palindrome (472532235274).

The spelling of 101210223173 in words is "one hundred one billion, two hundred ten million, two hundred twenty-three thousand, one hundred seventy-three".