211041311022 has 48 divisors (see below), whose sum is σ = 484211840112. Its totient is φ = 66201073920.

The previous prime is 211041310969. The next prime is 211041311051. The reversal of 211041311022 is 220113140112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211041310986 and 211041311004.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2830728 + ... + 2904324.

It is an arithmetic number, because the mean of its divisors is an integer number (10087746669).

Almost surely, 2^211041311022 is an apocalyptic number.

211041311022 is an abundant number, since it is smaller than the sum of its proper divisors (273170529090).

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

211041311022 is a wasteful number, since it uses less digits than its factorization.

211041311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82993 (or 82990 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211041311022 its reverse (220113140112), we get a palindrome (431154451134).

The spelling of 211041311022 in words is "two hundred eleven billion, forty-one million, three hundred eleven thousand, twenty-two".