211331212322334 has 96 divisors (see below), whose sum is σ = 483924471045120. Its totient is φ = 61326374413824.

The previous prime is 211331212322317. The next prime is 211331212322393. The reversal of 211331212322334 is 433223212133112.

It is a junction number, because it is equal to n+sod(n) for n = 211331212322295 and 211331212322304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20298139 + ... + 28890774.

It is an arithmetic number, because the mean of its divisors is an integer number (5040879906720).

Almost surely, 2^{211331212322334} is an apocalyptic number.

211331212322334 is an abundant number, since it is smaller than the sum of its proper divisors (272593258722786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211331212322334 is a wasteful number, since it uses less digits than its factorization.

211331212322334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49189186 (or 49189173 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

Adding to 211331212322334 its reverse (433223212133112), we get a palindrome (644554424455446).

The spelling of 211331212322334 in words is "two hundred eleven trillion, three hundred thirty-one billion, two hundred twelve million, three hundred twenty-two thousand, three hundred thirty-four".