211121114041 has 2 divisors, whose sum is σ = 211121114042. Its totient is φ = 211121114040.

The previous prime is 211121114021. The next prime is 211121114069. The reversal of 211121114041 is 140411121112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176039824041 + 35081290000 = 419571^2 + 187300^2 .

It is a cyclic number.

It is not a de Polignac number, because 211121114041 - 2⁹ = 211121113529 is a prime.

It is not a weakly prime, because it can be changed into another prime (211121114011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560557020 + 105560557021.

It is an arithmetic number, because the mean of its divisors is an integer number (105560557021).

Almost surely, 2^211121114041 is an apocalyptic number.

It is an amenable number.

211121114041 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121114041 is an equidigital number, since it uses as much as digits as its factorization.

211121114041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211121114041 its reverse (140411121112), we get a palindrome (351532235153).

The spelling of 211121114041 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred fourteen thousand, forty-one".