323211321112111 has 2 divisors, whose sum is σ = 323211321112112. Its totient is φ = 323211321112110.

The previous prime is 323211321112093. The next prime is 323211321112123. The reversal of 323211321112111 is 111211123112323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323211321112111 - 2⁷ = 323211321111983 is a prime.

It is a super-2 number, since 2×323211321112111² (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 (323211321119111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161605660556055 + 161605660556056.

It is an arithmetic number, because the mean of its divisors is an integer number (161605660556056).

Almost surely, 2^{323211321112111} is an apocalyptic number.

323211321112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

323211321112111 is an equidigital number, since it uses as much as digits as its factorization.

323211321112111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 25.

Adding to 323211321112111 its reverse (111211123112323), we get a palindrome (434422444224434).

The spelling of 323211321112111 in words is "three hundred twenty-three trillion, two hundred eleven billion, three hundred twenty-one million, one hundred twelve thousand, one hundred eleven".