211344021241 has 16 divisors (see below), whose sum is σ = 227635660800. Its totient is φ = 195585519888.

The previous prime is 211344021223. The next prime is 211344021257. The reversal of 211344021241 is 142120443112.

It is a cyclic number.

It is not a de Polignac number, because 211344021241 - 2⁹ = 211344020729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211344021211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240780 + ... + 693298.

It is an arithmetic number, because the mean of its divisors is an integer number (14227228800).

Almost surely, 2^211344021241 is an apocalyptic number.

It is an amenable number.

211344021241 is a deficient number, since it is larger than the sum of its proper divisors (16291639559).

211344021241 is a wasteful number, since it uses less digits than its factorization.

211344021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453108.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 211344021241 its reverse (142120443112), we get a palindrome (353464464353).

The spelling of 211344021241 in words is "two hundred eleven billion, three hundred forty-four million, twenty-one thousand, two hundred forty-one".