210420433211 has 2 divisors, whose sum is σ = 210420433212. Its totient is φ = 210420433210.

The previous prime is 210420433199. The next prime is 210420433273. The reversal of 210420433211 is 112334024012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210420433211 - 2¹⁸ = 210420171067 is a prime.

It is not a weakly prime, because it can be changed into another prime (210420433291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105210216605 + 105210216606.

It is an arithmetic number, because the mean of its divisors is an integer number (105210216606).

Almost surely, 2^210420433211 is an apocalyptic number.

210420433211 is a deficient number, since it is larger than the sum of its proper divisors (1).

210420433211 is an equidigital number, since it uses as much as digits as its factorization.

210420433211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 210420433211 its reverse (112334024012), we get a palindrome (322754457223).

The spelling of 210420433211 in words is "two hundred ten billion, four hundred twenty million, four hundred thirty-three thousand, two hundred eleven".