10533121013 has 2 divisors, whose sum is σ = 10533121014. Its totient is φ = 10533121012.

The previous prime is 10533121003. The next prime is 10533121063. The reversal of 10533121013 is 31012133501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10036633489 + 496487524 = 100183^2 + 22282^2 .

It is a cyclic number.

It is not a de Polignac number, because 10533121013 - 2¹² = 10533116917 is a prime.

It is a super-2 number, since 2×10533121013² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10533121003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5266560506 + 5266560507.

It is an arithmetic number, because the mean of its divisors is an integer number (5266560507).

Almost surely, 2^10533121013 is an apocalyptic number.

It is an amenable number.

10533121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

10533121013 is an equidigital number, since it uses as much as digits as its factorization.

10533121013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 10533121013 its reverse (31012133501), we get a palindrome (41545254514).

The spelling of 10533121013 in words is "ten billion, five hundred thirty-three million, one hundred twenty-one thousand, thirteen".