1320210221153 has 2 divisors, whose sum is σ = 1320210221154. Its totient is φ = 1320210221152.

The previous prime is 1320210221137. The next prime is 1320210221203. The reversal of 1320210221153 is 3511220120231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1081575040144 + 238635181009 = 1039988^2 + 488503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320210221153 - 2⁴ = 1320210221137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320210224153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660105110576 + 660105110577.

It is an arithmetic number, because the mean of its divisors is an integer number (660105110577).

Almost surely, 2^{1320210221153} is an apocalyptic number.

It is an amenable number.

1320210221153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320210221153 is an equidigital number, since it uses as much as digits as its factorization.

1320210221153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1320210221153 its reverse (3511220120231), we get a palindrome (4831430341384).

The spelling of 1320210221153 in words is "one trillion, three hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, one hundred fifty-three".