210120200120027 has 2 divisors, whose sum is σ = 210120200120028. Its totient is φ = 210120200120026.

The previous prime is 210120200120011. The next prime is 210120200120029. The reversal of 210120200120027 is 720021002021012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210120200120027 - 2⁴ = 210120200120011 is a prime.

Together with 210120200120029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 210120200119990 and 210120200120008.

It is not a weakly prime, because it can be changed into another prime (210120200120029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060100060013 + 105060100060014.

It is an arithmetic number, because the mean of its divisors is an integer number (105060100060014).

Almost surely, 2^{210120200120027} is an apocalyptic number.

210120200120027 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120200120027 is an equidigital number, since it uses as much as digits as its factorization.

210120200120027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 210120200120027 its reverse (720021002021012), we get a palindrome (930141202141039).

The spelling of 210120200120027 in words is "two hundred ten trillion, one hundred twenty billion, two hundred million, one hundred twenty thousand, twenty-seven".