320220210121211 has 12 divisors (see below), whose sum is σ = 335067271429800. Its totient is φ = 306005601681120.

The previous prime is 320220210121129. The next prime is 320220210121277. The reversal of 320220210121211 is 112121012022023.

It is a de Polignac number, because none of the positive numbers 2^k-320220210121211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320220210181211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287972825 + ... + 289082666.

It is an arithmetic number, because the mean of its divisors is an integer number (27922272619150).

Almost surely, 2^{320220210121211} is an apocalyptic number.

320220210121211 is a deficient number, since it is larger than the sum of its proper divisors (14847061308589).

320220210121211 is a wasteful number, since it uses less digits than its factorization.

320220210121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577056586 (or 577056563 counting only the distinct ones).

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

Adding to 320220210121211 its reverse (112121012022023), we get a palindrome (432341222143234).

The spelling of 320220210121211 in words is "three hundred twenty trillion, two hundred twenty billion, two hundred ten million, one hundred twenty-one thousand, two hundred eleven".