211422444424140 has 48 divisors (see below), whose sum is σ = 591986417524992. Its totient is φ = 56378978214336.

The previous prime is 211422444424111. The next prime is 211422444424157. The reversal of 211422444424140 is 41424444224112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531624 + ... + 20570063.

It is an arithmetic number, because the mean of its divisors is an integer number (12333050365104).

Almost surely, 2^{211422444424140} is an apocalyptic number.

211422444424140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211422444424140 is an abundant number, since it is smaller than the sum of its proper divisors (380563973100852).

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

211422444424140 is a wasteful number, since it uses less digits than its factorization.

211422444424140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21268686 (or 21268684 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 39.

Adding to 211422444424140 its reverse (41424444224112), we get a palindrome (252846888648252).

The spelling of 211422444424140 in words is "two hundred eleven trillion, four hundred twenty-two billion, four hundred forty-four million, four hundred twenty-four thousand, one hundred forty".