323212201022021 has 2 divisors, whose sum is σ = 323212201022022. Its totient is φ = 323212201022020.

The previous prime is 323212201021993. The next prime is 323212201022047. The reversal of 323212201022021 is 120220102212323.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216064569748225 + 107147631273796 = 14699135^2 + 10351214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212201022021 is a prime.

It is a super-2 number, since 2×323212201022021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323212201027021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606100511010 + 161606100511011.

It is an arithmetic number, because the mean of its divisors is an integer number (161606100511011).

Almost surely, 2^{323212201022021} is an apocalyptic number.

It is an amenable number.

323212201022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212201022021 is an equidigital number, since it uses as much as digits as its factorization.

323212201022021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 323212201022021 its reverse (120220102212323), we get a palindrome (443432303234344).

The spelling of 323212201022021 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred one million, twenty-two thousand, twenty-one".