213033030221273 has 2 divisors, whose sum is σ = 213033030221274. Its totient is φ = 213033030221272.

The previous prime is 213033030221269. The next prime is 213033030221339. The reversal of 213033030221273 is 372122030330312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109351923379609 + 103681106841664 = 10457147^2 + 10182392^2 .

It is a cyclic number.

It is not a de Polignac number, because 213033030221273 - 2² = 213033030221269 is a prime.

It is not a weakly prime, because it can be changed into another prime (213033030221873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106516515110636 + 106516515110637.

It is an arithmetic number, because the mean of its divisors is an integer number (106516515110637).

Almost surely, 2^{213033030221273} is an apocalyptic number.

It is an amenable number.

213033030221273 is a deficient number, since it is larger than the sum of its proper divisors (1).

213033030221273 is an equidigital number, since it uses as much as digits as its factorization.

213033030221273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 32.

Adding to 213033030221273 its reverse (372122030330312), we get a palindrome (585155060551585).

The spelling of 213033030221273 in words is "two hundred thirteen trillion, thirty-three billion, thirty million, two hundred twenty-one thousand, two hundred seventy-three".