101116215173 has 2 divisors, whose sum is σ = 101116215174. Its totient is φ = 101116215172.

The previous prime is 101116215157. The next prime is 101116215241. The reversal of 101116215173 is 371512611101.

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., 99027907969 + 2088307204 = 314687^2 + 45698^2 .

It is a cyclic number.

It is not a de Polignac number, because 101116215173 - 2⁴ = 101116215157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101116215113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50558107586 + 50558107587.

It is an arithmetic number, because the mean of its divisors is an integer number (50558107587).

Almost surely, 2^101116215173 is an apocalyptic number.

It is an amenable number.

101116215173 is a deficient number, since it is larger than the sum of its proper divisors (1).

101116215173 is an equidigital number, since it uses as much as digits as its factorization.

101116215173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 29.

Adding to 101116215173 its reverse (371512611101), we get a palindrome (472628826274).

The spelling of 101116215173 in words is "one hundred one billion, one hundred sixteen million, two hundred fifteen thousand, one hundred seventy-three".