210120200120011 has 2 divisors, whose sum is σ = 210120200120012. Its totient is φ = 210120200120010.

The previous prime is 210120200119967. The next prime is 210120200120027. The reversal of 210120200120011 is 110021002021012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210120200120011 - 2⁹ = 210120200119499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210120200119973 and 210120200120000.

It is not a weakly prime, because it can be changed into another prime (210120200160011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060100060005 + 105060100060006.

It is an arithmetic number, because the mean of its divisors is an integer number (105060100060006).

Almost surely, 2^{210120200120011} is an apocalyptic number.

210120200120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120200120011 is an equidigital number, since it uses as much as digits as its factorization.

210120200120011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210120200120011 its reverse (110021002021012), we get a palindrome (320141202141023).

The spelling of 210120200120011 in words is "two hundred ten trillion, one hundred twenty billion, two hundred million, one hundred twenty thousand, eleven".