211121112001207 has 2 divisors, whose sum is σ = 211121112001208. Its totient is φ = 211121112001206.

The previous prime is 211121112001187. The next prime is 211121112001237. The reversal of 211121112001207 is 702100211121112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211121112001207 - 2³⁹ = 210571356187319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211121112001237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560556000603 + 105560556000604.

It is an arithmetic number, because the mean of its divisors is an integer number (105560556000604).

Almost surely, 2^{211121112001207} is an apocalyptic number.

211121112001207 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121112001207 is an equidigital number, since it uses as much as digits as its factorization.

211121112001207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 211121112001207 its reverse (702100211121112), we get a palindrome (913221323122319).

The spelling of 211121112001207 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred twelve million, one thousand, two hundred seven".