211133302213 has 4 divisors (see below), whose sum is σ = 218413760940. Its totient is φ = 203852843488.

The previous prime is 211133302181. The next prime is 211133302223. The reversal of 211133302213 is 312203331112.

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 158689096164 + 52444206049 = 398358^2 + 229007^2 .

It is a cyclic number.

It is not a de Polignac number, because 211133302213 - 2⁵ = 211133302181 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 (211133302223) 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, 3640229320 + ... + 3640229377.

It is an arithmetic number, because the mean of its divisors is an integer number (54603440235).

Almost surely, 2^211133302213 is an apocalyptic number.

It is an amenable number.

211133302213 is a deficient number, since it is larger than the sum of its proper divisors (7280458727).

211133302213 is an equidigital number, since it uses as much as digits as its factorization.

211133302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280458726.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 211133302213 its reverse (312203331112), we get a palindrome (523336633325).

The spelling of 211133302213 in words is "two hundred eleven billion, one hundred thirty-three million, three hundred two thousand, two hundred thirteen".