13442210043121 has 2 divisors, whose sum is σ = 13442210043122. Its totient is φ = 13442210043120.

The previous prime is 13442210043083. The next prime is 13442210043133. The reversal of 13442210043121 is 12134001224431.

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., 10675177409521 + 2767032633600 = 3267289^2 + 1663440^2 .

It is a cyclic number.

It is not a de Polignac number, because 13442210043121 - 2⁷ = 13442210042993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13442210043121.

It is not a weakly prime, because it can be changed into another prime (13442210040121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721105021560 + 6721105021561.

It is an arithmetic number, because the mean of its divisors is an integer number (6721105021561).

Almost surely, 2^{13442210043121} is an apocalyptic number.

It is an amenable number.

13442210043121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442210043121 is an equidigital number, since it uses as much as digits as its factorization.

13442210043121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13442210043121 its reverse (12134001224431), we get a palindrome (25576211267552).

The spelling of 13442210043121 in words is "thirteen trillion, four hundred forty-two billion, two hundred ten million, forty-three thousand, one hundred twenty-one".