211121212000201 has 2 divisors, whose sum is σ = 211121212000202. Its totient is φ = 211121212000200.

The previous prime is 211121212000177. The next prime is 211121212000229. The reversal of 211121212000201 is 102000212121112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118523394054025 + 92597817946176 = 10886845^2 + 9622776^2 .

It is a cyclic number.

It is not a de Polignac number, because 211121212000201 - 2¹¹ = 211121211998153 is a prime.

It is not a weakly prime, because it can be changed into another prime (211121212000261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560606000100 + 105560606000101.

It is an arithmetic number, because the mean of its divisors is an integer number (105560606000101).

Almost surely, 2^{211121212000201} is an apocalyptic number.

It is an amenable number.

211121212000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121212000201 is an equidigital number, since it uses as much as digits as its factorization.

211121212000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211121212000201 its reverse (102000212121112), we get a palindrome (313121424121313).

The spelling of 211121212000201 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred twelve million, two hundred one", and thus it is an aban number.