211242242234 has 16 divisors (see below), whose sum is σ = 320154909696. Its totient is φ = 104528088000.

The previous prime is 211242242227. The next prime is 211242242243. The reversal of 211242242234 is 432242242112.

It is a super-3 number, since 3×211242242234³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211242242197 and 211242242206.

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 7 ways as a sum of consecutive naturals, for example, 935132 + ... + 1138839.

It is an arithmetic number, because the mean of its divisors is an integer number (20009681856).

Almost surely, 2^211242242234 is an apocalyptic number.

211242242234 is a deficient number, since it is larger than the sum of its proper divisors (108912667462).

211242242234 is a wasteful number, since it uses less digits than its factorization.

211242242234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074501.

The product of its digits is 12288, while the sum is 29.

Adding to 211242242234 its reverse (432242242112), we get a palindrome (643484484346).

The spelling of 211242242234 in words is "two hundred eleven billion, two hundred forty-two million, two hundred forty-two thousand, two hundred thirty-four".