321213142023111 has 32 divisors (see below), whose sum is σ = 512481768120000. Its totient is φ = 197667712589184.

The previous prime is 321213142023101. The next prime is 321213142023139. The reversal of 321213142023111 is 111320241312123.

321213142023111 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 1 + 3 + 1 + 420 + 231 + 1 + 1 = 666.

It is not a de Polignac number, because 321213142023111 - 2¹⁷ = 321213141892039 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 (321213142023101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32320105 + ... + 41073293.

It is an arithmetic number, because the mean of its divisors is an integer number (16015055253750).

Almost surely, 2^{321213142023111} is an apocalyptic number.

321213142023111 is a deficient number, since it is larger than the sum of its proper divisors (191268626096889).

321213142023111 is a wasteful number, since it uses less digits than its factorization.

321213142023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8857760 (or 8857754 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 321213142023111 its reverse (111320241312123), we get a palindrome (432533383335234).

The spelling of 321213142023111 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred forty-two million, twenty-three thousand, one hundred eleven".