2021021210983 has 2 divisors, whose sum is σ = 2021021210984. Its totient is φ = 2021021210982.

The previous prime is 2021021210963. The next prime is 2021021211031. The reversal of 2021021210983 is 3890121201202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021021210983 - 2⁵ = 2021021210951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021021210963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010510605491 + 1010510605492.

It is an arithmetic number, because the mean of its divisors is an integer number (1010510605492).

Almost surely, 2^{2021021210983} is an apocalyptic number.

2021021210983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021021210983 is an equidigital number, since it uses as much as digits as its factorization.

2021021210983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 2021021210983 in words is "two trillion, twenty-one billion, twenty-one million, two hundred ten thousand, nine hundred eighty-three".