211303323201 has 4 divisors (see below), whose sum is σ = 281737764272. Its totient is φ = 140868882132.

The previous prime is 211303323107. The next prime is 211303323229. The reversal of 211303323201 is 102323303112.

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 not a de Polignac number, because 211303323201 - 2²² = 211299128897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211303323251) 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, 35217220531 + ... + 35217220536.

It is an arithmetic number, because the mean of its divisors is an integer number (70434441068).

Almost surely, 2^211303323201 is an apocalyptic number.

It is an amenable number.

211303323201 is a deficient number, since it is larger than the sum of its proper divisors (70434441071).

211303323201 is an equidigital number, since it uses as much as digits as its factorization.

211303323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70434441070.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211303323201 its reverse (102323303112), we get a palindrome (313626626313).

The spelling of 211303323201 in words is "two hundred eleven billion, three hundred three million, three hundred twenty-three thousand, two hundred one".