320211122211 has 80 divisors (see below), whose sum is σ = 501182367840. Its totient is φ = 203548101120.

The previous prime is 320211122207. The next prime is 320211122291. The reversal of 320211122211 is 112221112023.

320211122211 is a `hidden beast` number, since 320 + 2 + 11 + 122 + 211 = 666.

It is not a de Polignac number, because 320211122211 - 2² = 320211122207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320211122201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 47344116 + ... + 47350878.

It is an arithmetic number, because the mean of its divisors is an integer number (6264779598).

Almost surely, 2^320211122211 is an apocalyptic number.

320211122211 is a deficient number, since it is larger than the sum of its proper divisors (180971245629).

320211122211 is a wasteful number, since it uses less digits than its factorization.

320211122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138 (or 7129 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 320211122211 its reverse (112221112023), we get a palindrome (432432234234).

The spelling of 320211122211 in words is "three hundred twenty billion, two hundred eleven million, one hundred twenty-two thousand, two hundred eleven".