211300221044 has 24 divisors (see below), whose sum is σ = 405418440000. Its totient is φ = 95562910080.

The previous prime is 211300221029. The next prime is 211300221079. The reversal of 211300221044 is 440122003112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12057269 + ... + 12074780.

It is an arithmetic number, because the mean of its divisors is an integer number (16892435000).

Almost surely, 2^211300221044 is an apocalyptic number.

It is an amenable number.

211300221044 is a deficient number, since it is larger than the sum of its proper divisors (194118218956).

211300221044 is a wasteful number, since it uses less digits than its factorization.

211300221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24132263 (or 24132261 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211300221044 its reverse (440122003112), we get a palindrome (651422224156).

The spelling of 211300221044 in words is "two hundred eleven billion, three hundred million, two hundred twenty-one thousand, forty-four".