211421024010 has 96 divisors (see below), whose sum is σ = 645201528192. Its totient is φ = 47018724480.

The previous prime is 211421023997. The next prime is 211421024027. The reversal of 211421024010 is 10420124112.

211421024010 is a `hidden beast` number, since 2 + 1 + 1 + 421 + 0 + 240 + 1 + 0 = 666.

211421024010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 4511676 + ... + 4558295.

It is an arithmetic number, because the mean of its divisors is an integer number (6720849252).

Almost surely, 2^211421024010 is an apocalyptic number.

211421024010 is an abundant number, since it is smaller than the sum of its proper divisors (433780504182).

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

211421024010 is a wasteful number, since it uses less digits than its factorization.

211421024010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070028 (or 9070025 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211421024010 its reverse (10420124112), we get a palindrome (221841148122).

The spelling of 211421024010 in words is "two hundred eleven billion, four hundred twenty-one million, twenty-four thousand, ten".