211253522343 has 16 divisors (see below), whose sum is σ = 291349773312. Its totient is φ = 136014984000.

The previous prime is 211253522327. The next prime is 211253522353. The reversal of 211253522343 is 343225352112.

It is not a de Polignac number, because 211253522343 - 2⁴ = 211253522327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211253522353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2267518 + ... + 2358843.

It is an arithmetic number, because the mean of its divisors is an integer number (18209360832).

Almost surely, 2^211253522343 is an apocalyptic number.

211253522343 is a deficient number, since it is larger than the sum of its proper divisors (80096250969).

211253522343 is a wasteful number, since it uses less digits than its factorization.

211253522343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626886.

The product of its digits is 43200, while the sum is 33.

Adding to 211253522343 its reverse (343225352112), we get a palindrome (554478874455).

The spelling of 211253522343 in words is "two hundred eleven billion, two hundred fifty-three million, five hundred twenty-two thousand, three hundred forty-three".