2021263411303 has 2 divisors, whose sum is σ = 2021263411304. Its totient is φ = 2021263411302.

The previous prime is 2021263411273. The next prime is 2021263411327. The reversal of 2021263411303 is 3031143621202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021263411303 - 2⁹ = 2021263410791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021263411703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010631705651 + 1010631705652.

It is an arithmetic number, because the mean of its divisors is an integer number (1010631705652).

Almost surely, 2^{2021263411303} is an apocalyptic number.

2021263411303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021263411303 is an equidigital number, since it uses as much as digits as its factorization.

2021263411303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 2021263411303 in words is "two trillion, twenty-one billion, two hundred sixty-three million, four hundred eleven thousand, three hundred three".