210011311213211 has 2 divisors, whose sum is σ = 210011311213212. Its totient is φ = 210011311213210.

The previous prime is 210011311213111. The next prime is 210011311213237. The reversal of 210011311213211 is 112312113110012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210011311213211 - 2⁴² = 205613264702107 is a prime.

It is not a weakly prime, because it can be changed into another prime (210011311213271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005655606605 + 105005655606606.

It is an arithmetic number, because the mean of its divisors is an integer number (105005655606606).

Almost surely, 2^{210011311213211} is an apocalyptic number.

210011311213211 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011311213211 is an equidigital number, since it uses as much as digits as its factorization.

210011311213211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 210011311213211 its reverse (112312113110012), we get a palindrome (322323424323223).

The spelling of 210011311213211 in words is "two hundred ten trillion, eleven billion, three hundred eleven million, two hundred thirteen thousand, two hundred eleven".