116322045626221 has 2 divisors, whose sum is σ = 116322045626222. Its totient is φ = 116322045626220.

The previous prime is 116322045626219. The next prime is 116322045626233. The reversal of 116322045626221 is 122626540223611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104078967648100 + 12243077978121 = 10201910^2 + 3499011^2 .

It is an emirp because it is prime and its reverse (122626540223611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116322045626221 - 2¹ = 116322045626219 is a prime.

It is a super-4 number, since 4×116322045626221⁴ (a number of 57 digits) contains 4444 as substring.

Together with 116322045626219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116322045426221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58161022813110 + 58161022813111.

It is an arithmetic number, because the mean of its divisors is an integer number (58161022813111).

Almost surely, 2^{116322045626221} is an apocalyptic number.

It is an amenable number.

116322045626221 is a deficient number, since it is larger than the sum of its proper divisors (1).

116322045626221 is an equidigital number, since it uses as much as digits as its factorization.

116322045626221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

Adding to 116322045626221 its reverse (122626540223611), we get a palindrome (238948585849832).

The spelling of 116322045626221 in words is "one hundred sixteen trillion, three hundred twenty-two billion, forty-five million, six hundred twenty-six thousand, two hundred twenty-one".