211121212212041 has 2 divisors, whose sum is σ = 211121212212042. Its totient is φ = 211121212212040.

The previous prime is 211121212211993. The next prime is 211121212212047. The reversal of 211121212212041 is 140212212121112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208791055756816 + 2330156455225 = 14449604^2 + 1526485^2 .

It is a cyclic number.

It is not a de Polignac number, because 211121212212041 - 2⁴² = 206723165700937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211121212211998 and 211121212212016.

It is not a weakly prime, because it can be changed into another prime (211121212212047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560606106020 + 105560606106021.

It is an arithmetic number, because the mean of its divisors is an integer number (105560606106021).

Almost surely, 2^{211121212212041} is an apocalyptic number.

It is an amenable number.

211121212212041 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121212212041 is an equidigital number, since it uses as much as digits as its factorization.

211121212212041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 211121212212041 its reverse (140212212121112), we get a palindrome (351333424333153).

The spelling of 211121212212041 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twelve thousand, forty-one".