101220010117 has 2 divisors, whose sum is σ = 101220010118. Its totient is φ = 101220010116.

The previous prime is 101220010103. The next prime is 101220010141. The reversal of 101220010117 is 711010022101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96665649921 + 4554360196 = 310911^2 + 67486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101220010117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101220010117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101220710117) 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, 50610005058 + 50610005059.

It is an arithmetic number, because the mean of its divisors is an integer number (50610005059).

Almost surely, 2^101220010117 is an apocalyptic number.

It is an amenable number.

101220010117 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220010117 is an equidigital number, since it uses as much as digits as its factorization.

101220010117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 101220010117 its reverse (711010022101), we get a palindrome (812230032218).

The spelling of 101220010117 in words is "one hundred one billion, two hundred twenty million, ten thousand, one hundred seventeen".