20122321333321 has 8 divisors (see below), whose sum is σ = 21291139020320. Its totient is φ = 18964478460672.

The previous prime is 20122321333307. The next prime is 20122321333327. The reversal of 20122321333321 is 12333312322102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20122321333321 - 2¹⁹ = 20122320809033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122321333321.

It is not an unprimeable number, because it can be changed into a prime (20122321333327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2743699815 + ... + 2743707148.

It is an arithmetic number, because the mean of its divisors is an integer number (2661392377540).

Almost surely, 2^{20122321333321} is an apocalyptic number.

It is an amenable number.

20122321333321 is a deficient number, since it is larger than the sum of its proper divisors (1168817686999).

20122321333321 is a wasteful number, since it uses less digits than its factorization.

20122321333321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487407175.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20122321333321 its reverse (12333312322102), we get a palindrome (32455633655423).

The spelling of 20122321333321 in words is "twenty trillion, one hundred twenty-two billion, three hundred twenty-one million, three hundred thirty-three thousand, three hundred twenty-one".