101115226217 has 2 divisors, whose sum is σ = 101115226218. Its totient is φ = 101115226216.

The previous prime is 101115226213. The next prime is 101115226237. The reversal of 101115226217 is 712622511101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81972843481 + 19142382736 = 286309^2 + 138356^2 .

It is an emirp because it is prime and its reverse (712622511101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101115226217 - 2² = 101115226213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101115226217.

It is not a weakly prime, because it can be changed into another prime (101115226213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50557613108 + 50557613109.

It is an arithmetic number, because the mean of its divisors is an integer number (50557613109).

Almost surely, 2^101115226217 is an apocalyptic number.

It is an amenable number.

101115226217 is a deficient number, since it is larger than the sum of its proper divisors (1).

101115226217 is an equidigital number, since it uses as much as digits as its factorization.

101115226217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 29.

Adding to 101115226217 its reverse (712622511101), we get a palindrome (813737737318).

The spelling of 101115226217 in words is "one hundred one billion, one hundred fifteen million, two hundred twenty-six thousand, two hundred seventeen".