211210223330331 has 6 divisors (see below), whose sum is σ = 305081433699380. Its totient is φ = 140806815553548.

The previous prime is 211210223330297. The next prime is 211210223330383. The reversal of 211210223330331 is 133033322012112.

211210223330331 is a `hidden beast` number, since 2 + 1 + 121 + 0 + 2 + 233 + 303 + 3 + 1 = 666.

It is not a de Polignac number, because 211210223330331 - 2⁴⁷ = 70472734975003 is a prime.

It is a super-2 number, since 2×211210223330331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211210223330295 and 211210223330304.

It is not an unprimeable number, because it can be changed into a prime (211210223330131) 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 5 ways as a sum of consecutive naturals, for example, 11733901296121 + ... + 11733901296138.

Almost surely, 2^{211210223330331} is an apocalyptic number.

211210223330331 is a deficient number, since it is larger than the sum of its proper divisors (93871210369049).

211210223330331 is a wasteful number, since it uses less digits than its factorization.

211210223330331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23467802592265 (or 23467802592262 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 211210223330331 its reverse (133033322012112), we get a palindrome (344243545342443).

The spelling of 211210223330331 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twenty-three million, three hundred thirty thousand, three hundred thirty-one".