101011011217 has 2 divisors, whose sum is σ = 101011011218. Its totient is φ = 101011011216.

The previous prime is 101011011097. The next prime is 101011011223. The reversal of 101011011217 is 712110110101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69548765841 + 31462245376 = 263721^2 + 177376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101011011217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101011011217.

It is not a weakly prime, because it can be changed into another prime (101011014217) 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 as a sum of consecutive naturals, namely, 50505505608 + 50505505609.

It is an arithmetic number, because the mean of its divisors is an integer number (50505505609).

Almost surely, 2^101011011217 is an apocalyptic number.

It is an amenable number.

101011011217 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011011217 is an equidigital number, since it uses as much as digits as its factorization.

101011011217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 16.

Adding to 101011011217 its reverse (712110110101), we get a palindrome (813121121318).

The spelling of 101011011217 in words is "one hundred one billion, eleven million, eleven thousand, two hundred seventeen".