120211231323321 has 96 divisors (see below), whose sum is σ = 187742414905344. Its totient is φ = 73902296160000.

The previous prime is 120211231323263. The next prime is 120211231323361. The reversal of 120211231323321 is 123323132112021.

120211231323321 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 1 + 1 + 2 + 313 + 23 + 321 = 666.

It is not a de Polignac number, because 120211231323321 - 2¹⁰ = 120211231322297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120211231323361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10534674106 + ... + 10534685516.

It is an arithmetic number, because the mean of its divisors is an integer number (1955650155264).

Almost surely, 2^{120211231323321} is an apocalyptic number.

It is an amenable number.

120211231323321 is a deficient number, since it is larger than the sum of its proper divisors (67531183582023).

120211231323321 is a wasteful number, since it uses less digits than its factorization.

120211231323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17555 (or 17552 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 120211231323321 its reverse (123323132112021), we get a palindrome (243534363435342).

The spelling of 120211231323321 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty-one".