211121210002201 has 2 divisors, whose sum is σ = 211121210002202. Its totient is φ = 211121210002200.

The previous prime is 211121210002169. The next prime is 211121210002207. The reversal of 211121210002201 is 102200012121112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189179255520025 + 21941954482176 = 13754245^2 + 4684224^2 .

It is a cyclic number.

It is not a de Polignac number, because 211121210002201 - 2⁵ = 211121210002169 is a prime.

It is not a weakly prime, because it can be changed into another prime (211121210002207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560605001100 + 105560605001101.

It is an arithmetic number, because the mean of its divisors is an integer number (105560605001101).

Almost surely, 2^{211121210002201} is an apocalyptic number.

It is an amenable number.

211121210002201 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121210002201 is an equidigital number, since it uses as much as digits as its factorization.

211121210002201 is an evil number, because the sum of its binary digits is even.

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

Adding to 211121210002201 its reverse (102200012121112), we get a palindrome (313321222123313).

The spelling of 211121210002201 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred ten million, two thousand, two hundred one".