320210220011 has 4 divisors (see below), whose sum is σ = 349320240024. Its totient is φ = 291100200000.

The previous prime is 320210219999. The next prime is 320210220037. The reversal of 320210220011 is 110022012023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320210220011 - 2²⁶ = 320143111147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320210220041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14555009990 + ... + 14555010011.

It is an arithmetic number, because the mean of its divisors is an integer number (87330060006).

Almost surely, 2^320210220011 is an apocalyptic number.

320210220011 is a deficient number, since it is larger than the sum of its proper divisors (29110020013).

320210220011 is a wasteful number, since it uses less digits than its factorization.

320210220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29110020012.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 320210220011 its reverse (110022012023), we get a palindrome (430232232034).

The spelling of 320210220011 in words is "three hundred twenty billion, two hundred ten million, two hundred twenty thousand, eleven".