211352210530 has 8 divisors (see below), whose sum is σ = 380433978972. Its totient is φ = 84540884208.

The previous prime is 211352210519. The next prime is 211352210561. The reversal of 211352210530 is 35012253112.

It can be written as a sum of positive squares in 2 ways, for example, as 189156276241 + 22195934289 = 434921^2 + 148983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211352210495 and 211352210504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10567610517 + ... + 10567610536.

Almost surely, 2^211352210530 is an apocalyptic number.

211352210530 is a deficient number, since it is larger than the sum of its proper divisors (169081768442).

211352210530 is a wasteful number, since it uses less digits than its factorization.

211352210530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21135221060.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 211352210530 its reverse (35012253112), we get a palindrome (246364463642).

The spelling of 211352210530 in words is "two hundred eleven billion, three hundred fifty-two million, two hundred ten thousand, five hundred thirty".