1210020232321 has 2 divisors, whose sum is σ = 1210020232322. Its totient is φ = 1210020232320.

The previous prime is 1210020232307. The next prime is 1210020232327. The reversal of 1210020232321 is 1232320200121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1088341351696 + 121678880625 = 1043236^2 + 348825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210020232321 - 2¹⁹ = 1210019708033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210020232327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605010116160 + 605010116161.

It is an arithmetic number, because the mean of its divisors is an integer number (605010116161).

Almost surely, 2^{1210020232321} is an apocalyptic number.

It is an amenable number.

1210020232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210020232321 is an equidigital number, since it uses as much as digits as its factorization.

1210020232321 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 1210020232321 its reverse (1232320200121), we get a palindrome (2442340432442).

The spelling of 1210020232321 in words is "one trillion, two hundred ten billion, twenty million, two hundred thirty-two thousand, three hundred twenty-one".