100517210047 has 2 divisors, whose sum is σ = 100517210048. Its totient is φ = 100517210046.

The previous prime is 100517209973. The next prime is 100517210069. The reversal of 100517210047 is 740012715001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100517210047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100517209997 and 100517210024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100517213047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50258605023 + 50258605024.

It is an arithmetic number, because the mean of its divisors is an integer number (50258605024).

Almost surely, 2^100517210047 is an apocalyptic number.

100517210047 is a deficient number, since it is larger than the sum of its proper divisors (1).

100517210047 is an equidigital number, since it uses as much as digits as its factorization.

100517210047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 28.

Adding to 100517210047 its reverse (740012715001), we get a palindrome (840529925048).

The spelling of 100517210047 in words is "one hundred billion, five hundred seventeen million, two hundred ten thousand, forty-seven".