2121000303133 has 2 divisors, whose sum is σ = 2121000303134. Its totient is φ = 2121000303132.

The previous prime is 2121000303041. The next prime is 2121000303167. The reversal of 2121000303133 is 3313030001212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1231474039524 + 889526263609 = 1109718^2 + 943147^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121000303133 - 2⁹ = 2121000302621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2121000303133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121000363133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060500151566 + 1060500151567.

It is an arithmetic number, because the mean of its divisors is an integer number (1060500151567).

Almost surely, 2^{2121000303133} is an apocalyptic number.

It is an amenable number.

2121000303133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121000303133 is an equidigital number, since it uses as much as digits as its factorization.

2121000303133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2121000303133 its reverse (3313030001212), we get a palindrome (5434030304345).

The spelling of 2121000303133 in words is "two trillion, one hundred twenty-one billion, three hundred three thousand, one hundred thirty-three".