2130121331263 has 2 divisors, whose sum is σ = 2130121331264. Its totient is φ = 2130121331262.

The previous prime is 2130121331257. The next prime is 2130121331309. The reversal of 2130121331263 is 3621331210312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130121331263 - 2⁵ = 2130121331231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130121931263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065060665631 + 1065060665632.

It is an arithmetic number, because the mean of its divisors is an integer number (1065060665632).

Almost surely, 2^{2130121331263} is an apocalyptic number.

2130121331263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130121331263 is an equidigital number, since it uses as much as digits as its factorization.

2130121331263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 2130121331263 its reverse (3621331210312), we get a palindrome (5751452541575).

The spelling of 2130121331263 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, three hundred thirty-one thousand, two hundred sixty-three".