211230133273 has 2 divisors, whose sum is σ = 211230133274. Its totient is φ = 211230133272.

The previous prime is 211230133243. The next prime is 211230133321. The reversal of 211230133273 is 372331032112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183318416649 + 27911716624 = 428157^2 + 167068^2 .

It is a cyclic number.

It is not a de Polignac number, because 211230133273 - 2¹³ = 211230125081 is a prime.

It is not a weakly prime, because it can be changed into another prime (211230133223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105615066636 + 105615066637.

It is an arithmetic number, because the mean of its divisors is an integer number (105615066637).

Almost surely, 2^211230133273 is an apocalyptic number.

It is an amenable number.

211230133273 is a deficient number, since it is larger than the sum of its proper divisors (1).

211230133273 is an equidigital number, since it uses as much as digits as its factorization.

211230133273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 211230133273 its reverse (372331032112), we get a palindrome (583561165385).

The spelling of 211230133273 in words is "two hundred eleven billion, two hundred thirty million, one hundred thirty-three thousand, two hundred seventy-three".