211230020333 has 4 divisors (see below), whose sum is σ = 211559552988. Its totient is φ = 210900487680.

The previous prime is 211230020327. The next prime is 211230020341. The reversal of 211230020333 is 333020032112.

211230020333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93977194249 + 117252826084 = 306557^2 + 342422^2 .

It is a cyclic number.

It is not a de Polignac number, because 211230020333 - 2²⁸ = 210961584877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211230020033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164765366 + ... + 164766647.

It is an arithmetic number, because the mean of its divisors is an integer number (52889888247).

Almost surely, 2^211230020333 is an apocalyptic number.

It is an amenable number.

211230020333 is a deficient number, since it is larger than the sum of its proper divisors (329532655).

211230020333 is an equidigital number, since it uses as much as digits as its factorization.

211230020333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329532654.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 211230020333 its reverse (333020032112), we get a palindrome (544250052445).

The spelling of 211230020333 in words is "two hundred eleven billion, two hundred thirty million, twenty thousand, three hundred thirty-three".