211043131122 has 16 divisors (see below), whose sum is σ = 432381049632. Its totient is φ = 68631912480.

The previous prime is 211043131111. The next prime is 211043131129. The reversal of 211043131122 is 221131340112.

211043131122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211043131129) 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 7 ways as a sum of consecutive naturals, for example, 428949208 + ... + 428949699.

It is an arithmetic number, because the mean of its divisors is an integer number (27023815602).

Almost surely, 2^211043131122 is an apocalyptic number.

211043131122 is an abundant number, since it is smaller than the sum of its proper divisors (221337918510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211043131122 is a wasteful number, since it uses less digits than its factorization.

211043131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857898953.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 211043131122 its reverse (221131340112), we get a palindrome (432174471234).

The spelling of 211043131122 in words is "two hundred eleven billion, forty-three million, one hundred thirty-one thousand, one hundred twenty-two".