323212120222111 has 4 divisors (see below), whose sum is σ = 323212234076424. Its totient is φ = 323212006367800.

The previous prime is 323212120222097. The next prime is 323212120222133. The reversal of 323212120222111 is 111222021212323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 323212120222111 - 2³¹ = 323209972738463 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 (323212120252111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52557100 + ... + 58383841.

It is an arithmetic number, because the mean of its divisors is an integer number (80803058519106).

Almost surely, 2^{323212120222111} is an apocalyptic number.

323212120222111 is a deficient number, since it is larger than the sum of its proper divisors (113854313).

323212120222111 is a wasteful number, since it uses less digits than its factorization.

323212120222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113854312.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 323212120222111 its reverse (111222021212323), we get a palindrome (434434141434434).

The spelling of 323212120222111 in words is "three hundred twenty-three trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, one hundred eleven".