13222150555121 has 2 divisors, whose sum is σ = 13222150555122. Its totient is φ = 13222150555120.

The previous prime is 13222150555079. The next prime is 13222150555153. The reversal of 13222150555121 is 12155505122231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10880366131600 + 2341784423521 = 3298540^2 + 1530289^2 .

It is an emirp because it is prime and its reverse (12155505122231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13222150555121 - 2⁴² = 8824104044017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13222150558121) 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, 6611075277560 + 6611075277561.

It is an arithmetic number, because the mean of its divisors is an integer number (6611075277561).

Almost surely, 2^{13222150555121} is an apocalyptic number.

It is an amenable number.

13222150555121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222150555121 is an equidigital number, since it uses as much as digits as its factorization.

13222150555121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 13222150555121 its reverse (12155505122231), we get a palindrome (25377655677352).

The spelling of 13222150555121 in words is "thirteen trillion, two hundred twenty-two billion, one hundred fifty million, five hundred fifty-five thousand, one hundred twenty-one".