210021612422 has 32 divisors (see below), whose sum is σ = 319890954240. Its totient is φ = 103402031040.

The previous prime is 210021612401. The next prime is 210021612431. The reversal of 210021612422 is 224216120012.

210021612422 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 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 15 ways as a sum of consecutive naturals, for example, 47056163 + ... + 47060625.

It is an arithmetic number, because the mean of its divisors is an integer number (9996592320).

Almost surely, 2^210021612422 is an apocalyptic number.

210021612422 is a deficient number, since it is larger than the sum of its proper divisors (109869341818).

210021612422 is a wasteful number, since it uses less digits than its factorization.

210021612422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5588.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 210021612422 its reverse (224216120012), we get a palindrome (434237732434).

The spelling of 210021612422 in words is "two hundred ten billion, twenty-one million, six hundred twelve thousand, four hundred twenty-two".