220311320213321 has 8 divisors (see below), whose sum is σ = 233274257579520. Its totient is φ = 207348765951808.

The previous prime is 220311320213317. The next prime is 220311320213323. The reversal of 220311320213321 is 123312023113022.

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 220311320213321 - 2² = 220311320213317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220311320213323) 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, 94591781 + ... + 96892866.

It is an arithmetic number, because the mean of its divisors is an integer number (29159282197440).

Almost surely, 2^{220311320213321} is an apocalyptic number.

It is an amenable number.

220311320213321 is a deficient number, since it is larger than the sum of its proper divisors (12962937366199).

220311320213321 is a wasteful number, since it uses less digits than its factorization.

220311320213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191552343.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 220311320213321 its reverse (123312023113022), we get a palindrome (343623343326343).

The spelling of 220311320213321 in words is "two hundred twenty trillion, three hundred eleven billion, three hundred twenty million, two hundred thirteen thousand, three hundred twenty-one".