211321322313311 has 8 divisors (see below), whose sum is σ = 241531506497184. Its totient is φ = 181116494092800.

The previous prime is 211321322313253. The next prime is 211321322313323. The reversal of 211321322313311 is 113313223123112.

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

It is not a de Polignac number, because 211321322313311 - 2¹⁸ = 211321322051167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211321322313011) 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, 1338906290 + ... + 1339064111.

It is an arithmetic number, because the mean of its divisors is an integer number (30191438312148).

Almost surely, 2^{211321322313311} is an apocalyptic number.

211321322313311 is a deficient number, since it is larger than the sum of its proper divisors (30210184183873).

211321322313311 is a wasteful number, since it uses less digits than its factorization.

211321322313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677981681.

The product of its digits is 3888, while the sum is 29.

Adding to 211321322313311 its reverse (113313223123112), we get a palindrome (324634545436423).

The spelling of 211321322313311 in words is "two hundred eleven trillion, three hundred twenty-one billion, three hundred twenty-two million, three hundred thirteen thousand, three hundred eleven".