216101222101117 has 8 divisors (see below), whose sum is σ = 216634478401080. Its totient is φ = 215567989662720.

The previous prime is 216101222101067. The next prime is 216101222101129. The reversal of 216101222101117 is 711101222101612.

It can be written as a sum of positive squares in 4 ways, for example, as 10610745967396 + 205490476133721 = 3257414^2 + 14334939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216101222101117 - 2²³ = 216101213712509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216101222101517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12238317 + ... + 24124237.

It is an arithmetic number, because the mean of its divisors is an integer number (27079309800135).

Almost surely, 2^{216101222101117} is an apocalyptic number.

It is an amenable number.

216101222101117 is a deficient number, since it is larger than the sum of its proper divisors (533256299963).

216101222101117 is a wasteful number, since it uses less digits than its factorization.

216101222101117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930783.

The product of its (nonzero) digits is 672, while the sum is 28.

Adding to 216101222101117 its reverse (711101222101612), we get a palindrome (927202444202729).

The spelling of 216101222101117 in words is "two hundred sixteen trillion, one hundred one billion, two hundred twenty-two million, one hundred one thousand, one hundred seventeen".