200002121983 has 2 divisors, whose sum is σ = 200002121984. Its totient is φ = 200002121982.

The previous prime is 200002121981. The next prime is 200002122079. The reversal of 200002121983 is 389121200002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200002121983 - 2¹ = 200002121981 is a prime.

Together with 200002121981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200002121981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001060991 + 100001060992.

It is an arithmetic number, because the mean of its divisors is an integer number (100001060992).

Almost surely, 2^200002121983 is an apocalyptic number.

200002121983 is a deficient number, since it is larger than the sum of its proper divisors (1).

200002121983 is an equidigital number, since it uses as much as digits as its factorization.

200002121983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 200002121983 its reverse (389121200002), we get a palindrome (589123321985).

The spelling of 200002121983 in words is "two hundred billion, two million, one hundred twenty-one thousand, nine hundred eighty-three".