211243430024 has 16 divisors (see below), whose sum is σ = 432088834320. Its totient is φ = 96019740880.

The previous prime is 211243429993. The next prime is 211243430033. The reversal of 211243430024 is 420034342112.

It is a junction number, because it is equal to n+sod(n) for n = 211243429975 and 211243430002.

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 3 ways as a sum of consecutive naturals, for example, 1200246674 + ... + 1200246849.

It is an arithmetic number, because the mean of its divisors is an integer number (27005552145).

Almost surely, 2^211243430024 is an apocalyptic number.

It is an amenable number.

211243430024 is an abundant number, since it is smaller than the sum of its proper divisors (220845404296).

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

211243430024 is a wasteful number, since it uses less digits than its factorization.

211243430024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400493540 (or 2400493536 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 211243430024 its reverse (420034342112), we get a palindrome (631277772136).

The spelling of 211243430024 in words is "two hundred eleven billion, two hundred forty-three million, four hundred thirty thousand, twenty-four".