2021112099983 has 2 divisors, whose sum is σ = 2021112099984. Its totient is φ = 2021112099982.

The previous prime is 2021112099959. The next prime is 2021112100009. The reversal of 2021112099983 is 3899902111202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021112099983 - 2³⁰ = 2020038358159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021112099943) 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, 1010556049991 + 1010556049992.

It is an arithmetic number, because the mean of its divisors is an integer number (1010556049992).

Almost surely, 2^{2021112099983} is an apocalyptic number.

2021112099983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021112099983 is an equidigital number, since it uses as much as digits as its factorization.

2021112099983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 47.

The spelling of 2021112099983 in words is "two trillion, twenty-one billion, one hundred twelve million, ninety-nine thousand, nine hundred eighty-three".