2120211232321 has 128 divisors (see below), whose sum is σ = 2922911308800. Its totient is φ = 1490815549440.

The previous prime is 2120211232309. The next prime is 2120211232361. The reversal of 2120211232321 is 1232321120212.

It is not a de Polignac number, because 2120211232321 - 2⁷ = 2120211232193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120211232292 and 2120211232301.

It is not an unprimeable number, because it can be changed into a prime (2120211232361) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 528333711 + ... + 528337723.

It is an arithmetic number, because the mean of its divisors is an integer number (22835244600).

Almost surely, 2^{2120211232321} is an apocalyptic number.

It is an amenable number.

2120211232321 is a deficient number, since it is larger than the sum of its proper divisors (802700076479).

2120211232321 is a wasteful number, since it uses less digits than its factorization.

2120211232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2120211232321 its reverse (1232321120212), we get a palindrome (3352532352533).

It can be divided in two parts, 2120211 and 232321, that added together give a palindrome (2352532).

The spelling of 2120211232321 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred thirty-two thousand, three hundred twenty-one".