200100212201957 has 2 divisors, whose sum is σ = 200100212201958. Its totient is φ = 200100212201956.

The previous prime is 200100212201941. The next prime is 200100212201959. The reversal of 200100212201957 is 759102212001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154320021798721 + 45780190403236 = 12422561^2 + 6766106^2 .

It is a cyclic number.

It is not a de Polignac number, because 200100212201957 - 2⁴ = 200100212201941 is a prime.

Together with 200100212201959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200100212201959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050106100978 + 100050106100979.

It is an arithmetic number, because the mean of its divisors is an integer number (100050106100979).

Almost surely, 2^{200100212201957} is an apocalyptic number.

It is an amenable number.

200100212201957 is a deficient number, since it is larger than the sum of its proper divisors (1).

200100212201957 is an equidigital number, since it uses as much as digits as its factorization.

200100212201957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 200100212201957 its reverse (759102212001002), we get a palindrome (959202424202959).

The spelling of 200100212201957 in words is "two hundred trillion, one hundred billion, two hundred twelve million, two hundred one thousand, nine hundred fifty-seven".