210021320410 has 32 divisors (see below), whose sum is σ = 414542359872. Its totient is φ = 75975674880.

The previous prime is 210021320351. The next prime is 210021320417. The reversal of 210021320410 is 14023120012.

210021320410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (210021320417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4925104 + ... + 4967563.

It is an arithmetic number, because the mean of its divisors is an integer number (12954448746).

Almost surely, 2^210021320410 is an apocalyptic number.

210021320410 is a deficient number, since it is larger than the sum of its proper divisors (204521039462).

210021320410 is a wasteful number, since it uses less digits than its factorization.

210021320410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9892878.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210021320410 its reverse (14023120012), we get a palindrome (224044440422).

The spelling of 210021320410 in words is "two hundred ten billion, twenty-one million, three hundred twenty thousand, four hundred ten".