323112101221 has 32 divisors (see below), whose sum is σ = 415357770240. Its totient is φ = 244303513344.

The previous prime is 323112101203. The next prime is 323112101231. The reversal of 323112101221 is 122101211323.

It is a cyclic number.

It is not a de Polignac number, because 323112101221 - 2¹⁵ = 323112068453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323112101231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2165211 + ... + 2309623.

It is an arithmetic number, because the mean of its divisors is an integer number (12979930320).

Almost surely, 2^323112101221 is an apocalyptic number.

It is an amenable number.

323112101221 is a deficient number, since it is larger than the sum of its proper divisors (92245669019).

323112101221 is a wasteful number, since it uses less digits than its factorization.

323112101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145525.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 323112101221 its reverse (122101211323), we get a palindrome (445213312544).

The spelling of 323112101221 in words is "three hundred twenty-three billion, one hundred twelve million, one hundred one thousand, two hundred twenty-one".