211242344022 has 96 divisors (see below), whose sum is σ = 480997730304. Its totient is φ = 66918297600.

The previous prime is 211242344003. The next prime is 211242344023. The reversal of 211242344022 is 220443242112.

It is a happy number.

211242344022 is a `hidden beast` number, since 2 + 1 + 1 + 24 + 234 + 402 + 2 = 666.

211242344022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211242344023) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 10171453 + ... + 10192199.

It is an arithmetic number, because the mean of its divisors is an integer number (5010393024).

Almost surely, 2^211242344022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211242344022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240498865152).

211242344022 is an abundant number, since it is smaller than the sum of its proper divisors (269755386282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211242344022 is a wasteful number, since it uses less digits than its factorization.

211242344022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21114 (or 21111 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 211242344022 its reverse (220443242112), we get a palindrome (431685586134).

The spelling of 211242344022 in words is "two hundred eleven billion, two hundred forty-two million, three hundred forty-four thousand, twenty-two".