321122220133 has 16 divisors (see below), whose sum is σ = 378452624256. Its totient is φ = 268623080640.

The previous prime is 321122220131. The next prime is 321122220191. The reversal of 321122220133 is 331022221123.

It is a cyclic number.

It is not a de Polignac number, because 321122220133 - 2¹ = 321122220131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321122220131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3496641 + ... + 3587302.

It is an arithmetic number, because the mean of its divisors is an integer number (23653289016).

Almost surely, 2^321122220133 is an apocalyptic number.

It is an amenable number.

321122220133 is a deficient number, since it is larger than the sum of its proper divisors (57330404123).

321122220133 is a wasteful number, since it uses less digits than its factorization.

321122220133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084284.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321122220133 its reverse (331022221123), we get a palindrome (652144441256).

The spelling of 321122220133 in words is "three hundred twenty-one billion, one hundred twenty-two million, two hundred twenty thousand, one hundred thirty-three".