211203209983 has 2 divisors, whose sum is σ = 211203209984. Its totient is φ = 211203209982.

The previous prime is 211203209977. The next prime is 211203210047. The reversal of 211203209983 is 389902302112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211203209983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211203200983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601604991 + 105601604992.

It is an arithmetic number, because the mean of its divisors is an integer number (105601604992).

Almost surely, 2^211203209983 is an apocalyptic number.

211203209983 is a deficient number, since it is larger than the sum of its proper divisors (1).

211203209983 is an equidigital number, since it uses as much as digits as its factorization.

211203209983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 211203209983 in words is "two hundred eleven billion, two hundred three million, two hundred nine thousand, nine hundred eighty-three".