211322032133 has 4 divisors (see below), whose sum is σ = 211325517900. Its totient is φ = 211318546368.

The previous prime is 211322032121. The next prime is 211322032151. The reversal of 211322032133 is 331230223112.

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 41827612324 + 169494419809 = 204518^2 + 411697^2 .

It is a cyclic number.

It is not a de Polignac number, because 211322032133 - 2⁶ = 211322032069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211322032099 and 211322032108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211322032153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650308 + ... + 1773741.

It is an arithmetic number, because the mean of its divisors is an integer number (52831379475).

Almost surely, 2^211322032133 is an apocalyptic number.

It is an amenable number.

211322032133 is a deficient number, since it is larger than the sum of its proper divisors (3485767).

211322032133 is an equidigital number, since it uses as much as digits as its factorization.

211322032133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485766.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 211322032133 its reverse (331230223112), we get a palindrome (542552255245).

The spelling of 211322032133 in words is "two hundred eleven billion, three hundred twenty-two million, thirty-two thousand, one hundred thirty-three".