1201221068353 has 2 divisors, whose sum is σ = 1201221068354. Its totient is φ = 1201221068352.

The previous prime is 1201221068339. The next prime is 1201221068389. The reversal of 1201221068353 is 3538601221021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652335674929 + 548885393424 = 807673^2 + 740868^2 .

It is an emirp because it is prime and its reverse (3538601221021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201221068353 - 2²⁹ = 1200684197441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201221068653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600610534176 + 600610534177.

It is an arithmetic number, because the mean of its divisors is an integer number (600610534177).

Almost surely, 2^{1201221068353} is an apocalyptic number.

It is an amenable number.

1201221068353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201221068353 is an equidigital number, since it uses as much as digits as its factorization.

1201221068353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 1201221068353 its reverse (3538601221021), we get a palindrome (4739822289374).

The spelling of 1201221068353 in words is "one trillion, two hundred one billion, two hundred twenty-one million, sixty-eight thousand, three hundred fifty-three".