101105193173 has 4 divisors (see below), whose sum is σ = 101109243660. Its totient is φ = 101101142688.

The previous prime is 101105193169. The next prime is 101105193179. The reversal of 101105193173 is 371391501101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32859900529 + 68245292644 = 181273^2 + 261238^2 .

It is a cyclic number.

It is not a de Polignac number, because 101105193173 - 2² = 101105193169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101105193179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987568 + ... + 2037801.

It is an arithmetic number, because the mean of its divisors is an integer number (25277310915).

Almost surely, 2^101105193173 is an apocalyptic number.

It is an amenable number.

101105193173 is a deficient number, since it is larger than the sum of its proper divisors (4050487).

101105193173 is an equidigital number, since it uses as much as digits as its factorization.

101105193173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050486.

The product of its (nonzero) digits is 2835, while the sum is 32.

Adding to 101105193173 its reverse (371391501101), we get a palindrome (472496694274).

The spelling of 101105193173 in words is "one hundred one billion, one hundred five million, one hundred ninety-three thousand, one hundred seventy-three".