211203242321 has 8 divisors (see below), whose sum is σ = 213092325600. Its totient is φ = 209318353920.

The previous prime is 211203242303. The next prime is 211203242353. The reversal of 211203242321 is 123242302112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211203242321 - 2²⁶ = 211136133457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211203242381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947531 + ... + 1149008.

It is an arithmetic number, because the mean of its divisors is an integer number (26636540700).

Almost surely, 2^211203242321 is an apocalyptic number.

It is an amenable number.

211203242321 is a deficient number, since it is larger than the sum of its proper divisors (1889083279).

211203242321 is a wasteful number, since it uses less digits than its factorization.

211203242321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097439.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211203242321 its reverse (123242302112), we get a palindrome (334445544433).

The spelling of 211203242321 in words is "two hundred eleven billion, two hundred three million, two hundred forty-two thousand, three hundred twenty-one".