211242330244 has 24 divisors (see below), whose sum is σ = 403292469888. Its totient is φ = 96016465440.

The previous prime is 211242330241. The next prime is 211242330251. The reversal of 211242330244 is 442033242112.

It is not an unprimeable number, because it can be changed into a prime (211242330241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2851902 + ... + 2925034.

It is an arithmetic number, because the mean of its divisors is an integer number (16803852912).

Almost surely, 2^211242330244 is an apocalyptic number.

It is an amenable number.

211242330244 is a deficient number, since it is larger than the sum of its proper divisors (192050139644).

211242330244 is a wasteful number, since it uses less digits than its factorization.

211242330244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138795 (or 138793 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 211242330244 its reverse (442033242112), we get a palindrome (653275572356).

The spelling of 211242330244 in words is "two hundred eleven billion, two hundred forty-two million, three hundred thirty thousand, two hundred forty-four".