211344422201 has 4 divisors (see below), whose sum is σ = 230557551504. Its totient is φ = 192131292900.

The previous prime is 211344422147. The next prime is 211344422239. The reversal of 211344422201 is 102224443112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211344422201 - 2²² = 211340227897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211344422291) 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, 9606564635 + ... + 9606564656.

It is an arithmetic number, because the mean of its divisors is an integer number (57639387876).

Almost surely, 2^211344422201 is an apocalyptic number.

It is an amenable number.

211344422201 is a deficient number, since it is larger than the sum of its proper divisors (19213129303).

211344422201 is a wasteful number, since it uses less digits than its factorization.

211344422201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19213129302.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211344422201 its reverse (102224443112), we get a palindrome (313568865313).

The spelling of 211344422201 in words is "two hundred eleven billion, three hundred forty-four million, four hundred twenty-two thousand, two hundred one".