2120220103321 has 2 divisors, whose sum is σ = 2120220103322. Its totient is φ = 2120220103320.

The previous prime is 2120220103289. The next prime is 2120220103333. The reversal of 2120220103321 is 1233010220212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1732937920921 + 387282182400 = 1316411^2 + 622320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120220103321 - 2⁵ = 2120220103289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120220103361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060110051660 + 1060110051661.

It is an arithmetic number, because the mean of its divisors is an integer number (1060110051661).

Almost surely, 2^{2120220103321} is an apocalyptic number.

It is an amenable number.

2120220103321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120220103321 is an equidigital number, since it uses as much as digits as its factorization.

2120220103321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2120220103321 its reverse (1233010220212), we get a palindrome (3353230323533).

The spelling of 2120220103321 in words is "two trillion, one hundred twenty billion, two hundred twenty million, one hundred three thousand, three hundred twenty-one".