211121001010211 has 2 divisors, whose sum is σ = 211121001010212. Its totient is φ = 211121001010210.

The previous prime is 211121001010193. The next prime is 211121001010217. The reversal of 211121001010211 is 112010100121112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211121001010211 - 2³⁸ = 210846123103267 is a prime.

It is not a weakly prime, because it can be changed into another prime (211121001010217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560500505105 + 105560500505106.

It is an arithmetic number, because the mean of its divisors is an integer number (105560500505106).

Almost surely, 2^{211121001010211} is an apocalyptic number.

211121001010211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121001010211 is an equidigital number, since it uses as much as digits as its factorization.

211121001010211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211121001010211 its reverse (112010100121112), we get a palindrome (323131101131323).

The spelling of 211121001010211 in words is "two hundred eleven trillion, one hundred twenty-one billion, one million, ten thousand, two hundred eleven".