1010533505321 has 2 divisors, whose sum is σ = 1010533505322. Its totient is φ = 1010533505320.

The previous prime is 1010533505287. The next prime is 1010533505323. The reversal of 1010533505321 is 1235053350101.

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., 612719479696 + 397814025625 = 782764^2 + 630725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010533505321 - 2²² = 1010529311017 is a prime.

Together with 1010533505323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1010533505323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505266752660 + 505266752661.

It is an arithmetic number, because the mean of its divisors is an integer number (505266752661).

Almost surely, 2^{1010533505321} is an apocalyptic number.

It is an amenable number.

1010533505321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010533505321 is an equidigital number, since it uses as much as digits as its factorization.

1010533505321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 1010533505321 its reverse (1235053350101), we get a palindrome (2245586855422).

The spelling of 1010533505321 in words is "one trillion, ten billion, five hundred thirty-three million, five hundred five thousand, three hundred twenty-one".