211100120024 has 32 divisors (see below), whose sum is σ = 420022368000. Its totient is φ = 99249719712.

The previous prime is 211100119991. The next prime is 211100120051. The reversal of 211100120024 is 420021001112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211100119990 and 211100120008.

It is a congruent number.

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, 9711884 + ... + 9733595.

It is an arithmetic number, because the mean of its divisors is an integer number (13125699000).

Almost surely, 2^211100120024 is an apocalyptic number.

It is an amenable number.

211100120024 is a deficient number, since it is larger than the sum of its proper divisors (208922247976).

211100120024 is a wasteful number, since it uses less digits than its factorization.

211100120024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19445567 (or 19445563 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211100120024 its reverse (420021001112), we get a palindrome (631121121136).

The spelling of 211100120024 in words is "two hundred eleven billion, one hundred million, one hundred twenty thousand, twenty-four".