321442100111 has 32 divisors (see below), whose sum is σ = 378737356800. Its totient is φ = 269662387680.

The previous prime is 321442100107. The next prime is 321442100113. The reversal of 321442100111 is 111001244123.

It is a cyclic number.

It is not a de Polignac number, because 321442100111 - 2² = 321442100107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321442100113) 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, 3249500 + ... + 3346958.

It is an arithmetic number, because the mean of its divisors is an integer number (11835542400).

Almost surely, 2^321442100111 is an apocalyptic number.

321442100111 is a deficient number, since it is larger than the sum of its proper divisors (57295256689).

321442100111 is a wasteful number, since it uses less digits than its factorization.

321442100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97899.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 321442100111 its reverse (111001244123), we get a palindrome (432443344234).

The spelling of 321442100111 in words is "three hundred twenty-one billion, four hundred forty-two million, one hundred thousand, one hundred eleven".