211332512206 has 4 divisors (see below), whose sum is σ = 316998768312. Its totient is φ = 105666256102.

The previous prime is 211332512173. The next prime is 211332512207. The reversal of 211332512206 is 602215233112.

211332512206 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 is a super-2 number, since 2×211332512206² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211332512207) 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 as a sum of consecutive naturals, namely, 52833128050 + ... + 52833128053.

It is an arithmetic number, because the mean of its divisors is an integer number (79249692078).

Almost surely, 2^211332512206 is an apocalyptic number.

211332512206 is a deficient number, since it is larger than the sum of its proper divisors (105666256106).

211332512206 is a wasteful number, since it uses less digits than its factorization.

211332512206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105666256105.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 211332512206 its reverse (602215233112), we get a palindrome (813547745318).

The spelling of 211332512206 in words is "two hundred eleven billion, three hundred thirty-two million, five hundred twelve thousand, two hundred six".