211444233242 has 16 divisors (see below), whose sum is σ = 348859160064. Its totient is φ = 96111013900.

The previous prime is 211444233223. The next prime is 211444233263. The reversal of 211444233242 is 242332444112.

It is a happy number.

211444233242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211444233199 and 211444233208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39712634 + ... + 39717957.

It is an arithmetic number, because the mean of its divisors is an integer number (21803697504).

Almost surely, 2^211444233242 is an apocalyptic number.

211444233242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211444233242 is a deficient number, since it is larger than the sum of its proper divisors (137414926822).

211444233242 is an equidigital number, since it uses as much as digits as its factorization.

211444233242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79430626 (or 79430604 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 211444233242 its reverse (242332444112), we get a palindrome (453776677354).

The spelling of 211444233242 in words is "two hundred eleven billion, four hundred forty-four million, two hundred thirty-three thousand, two hundred forty-two".