42321205211 has 4 divisors (see below), whose sum is σ = 42325418400. Its totient is φ = 42316992024.

The previous prime is 42321205183. The next prime is 42321205229. The reversal of 42321205211 is 11250212324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42321205211 - 2¹⁰ = 42321204187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42321205291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091491 + ... + 2111628.

It is an arithmetic number, because the mean of its divisors is an integer number (10581354600).

Almost surely, 2^42321205211 is an apocalyptic number.

42321205211 is a deficient number, since it is larger than the sum of its proper divisors (4213189).

42321205211 is a wasteful number, since it uses less digits than its factorization.

42321205211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213188.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 42321205211 its reverse (11250212324), we get a palindrome (53571417535).

The spelling of 42321205211 in words is "forty-two billion, three hundred twenty-one million, two hundred five thousand, two hundred eleven".