211210312322 has 8 divisors (see below), whose sum is σ = 327740139900. Its totient is φ = 101963599024.

The previous prime is 211210312321. The next prime is 211210312331. The reversal of 211210312322 is 223213012112.

It can be written as a sum of positive squares in 2 ways, for example, as 183501713641 + 27708598681 = 428371^2 + 166459^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 211210312294 and 211210312303.

It is not an unprimeable number, because it can be changed into a prime (211210312321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820778497 + ... + 1820778612.

Almost surely, 2^211210312322 is an apocalyptic number.

211210312322 is a deficient number, since it is larger than the sum of its proper divisors (116529827578).

211210312322 is a wasteful number, since it uses less digits than its factorization.

211210312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641557140.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 211210312322 its reverse (223213012112), we get a palindrome (434423324434).

The spelling of 211210312322 in words is "two hundred eleven billion, two hundred ten million, three hundred twelve thousand, three hundred twenty-two".