210011100120011 has 2 divisors, whose sum is σ = 210011100120012. Its totient is φ = 210011100120010.

The previous prime is 210011100119959. The next prime is 210011100120023. The reversal of 210011100120011 is 110021001110012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210011100120011 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 210011100119974 and 210011100120001.

It is not a weakly prime, because it can be changed into another prime (210011100120511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005550060005 + 105005550060006.

It is an arithmetic number, because the mean of its divisors is an integer number (105005550060006).

Almost surely, 2^{210011100120011} is an apocalyptic number.

210011100120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011100120011 is an equidigital number, since it uses as much as digits as its factorization.

210011100120011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210011100120011 its reverse (110021001110012), we get a palindrome (320032101230023).

Subtracting from 210011100120011 its reverse (110021001110012), we obtain a palindrome (99990099009999).

The spelling of 210011100120011 in words is "two hundred ten trillion, eleven billion, one hundred million, one hundred twenty thousand, eleven".