211440310410121 has 32 divisors (see below), whose sum is σ = 229759750059392. Its totient is φ = 193422075932160.

The previous prime is 211440310410053. The next prime is 211440310410157. The reversal of 211440310410121 is 121014013044112.

It is a cyclic number.

It is not a de Polignac number, because 211440310410121 - 2²¹ = 211440308312969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211440310480121) 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 in 31 ways as a sum of consecutive naturals, for example, 1053345661 + ... + 1053546373.

It is an arithmetic number, because the mean of its divisors is an integer number (7179992189356).

Almost surely, 2^{211440310410121} is an apocalyptic number.

It is an amenable number.

211440310410121 is a deficient number, since it is larger than the sum of its proper divisors (18319439649271).

211440310410121 is a wasteful number, since it uses less digits than its factorization.

211440310410121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202313.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 211440310410121 its reverse (121014013044112), we get a palindrome (332454323454233).

The spelling of 211440310410121 in words is "two hundred eleven trillion, four hundred forty billion, three hundred ten million, four hundred ten thousand, one hundred twenty-one".