211302213330321 has 8 divisors (see below), whose sum is σ = 313040316044960. Its totient is φ = 140868142220196.

The previous prime is 211302213330317. The next prime is 211302213330371. The reversal of 211302213330321 is 123033312203112.

211302213330321 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 0 + 2 + 2 + 1 + 3 + 330 + 321 = 666.

It is not a de Polignac number, because 211302213330321 - 2² = 211302213330317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7826007901123 = 211302213330321 / (2 + 1 + 1 + 3 + 0 + 2 + 2 + 1 + 3 + 3 + 3 + 0 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211302213330371) 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, 3913003950535 + ... + 3913003950588.

It is an arithmetic number, because the mean of its divisors is an integer number (39130039505620).

Almost surely, 2^{211302213330321} is an apocalyptic number.

It is an amenable number.

211302213330321 is a deficient number, since it is larger than the sum of its proper divisors (101738102714639).

211302213330321 is an equidigital number, since it uses as much as digits as its factorization.

211302213330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7826007901132 (or 7826007901126 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 211302213330321 its reverse (123033312203112), we get a palindrome (334335525533433).

The spelling of 211302213330321 in words is "two hundred eleven trillion, three hundred two billion, two hundred thirteen million, three hundred thirty thousand, three hundred twenty-one".