321023343201111 has 160 divisors (see below), whose sum is σ = 498191288356608. Its totient is φ = 206697727203840.

The previous prime is 321023343201107. The next prime is 321023343201131. The reversal of 321023343201111 is 111102343320123.

321023343201111 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 2 + 3 + 343 + 201 + 111 = 666.

It is not a de Polignac number, because 321023343201111 - 2² = 321023343201107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321023343201131) 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 159 ways as a sum of consecutive naturals, for example, 161561822460 + ... + 161561824446.

Almost surely, 2^{321023343201111} is an apocalyptic number.

321023343201111 is a deficient number, since it is larger than the sum of its proper divisors (177167945155497).

321023343201111 is an equidigital number, since it uses as much as digits as its factorization.

321023343201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 321023343201111 its reverse (111102343320123), we get a palindrome (432125686521234).

The spelling of 321023343201111 in words is "three hundred twenty-one trillion, twenty-three billion, three hundred forty-three million, two hundred one thousand, one hundred eleven".