2120211232361 has 2 divisors, whose sum is σ = 2120211232362. Its totient is φ = 2120211232360.

The previous prime is 2120211232309. The next prime is 2120211232393. The reversal of 2120211232361 is 1632321120212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2049996831961 + 70214400400 = 1431781^2 + 264980^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120211232361 - 2⁶ = 2120211232297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120211232361.

It is not a weakly prime, because it can be changed into another prime (2120211232261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060105616180 + 1060105616181.

It is an arithmetic number, because the mean of its divisors is an integer number (1060105616181).

Almost surely, 2^{2120211232361} is an apocalyptic number.

It is an amenable number.

2120211232361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120211232361 is an equidigital number, since it uses as much as digits as its factorization.

2120211232361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 2120211232361 its reverse (1632321120212), we get a palindrome (3752532352573).

The spelling of 2120211232361 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred thirty-two thousand, three hundred sixty-one".