210355521120404 has 96 divisors (see below), whose sum is σ = 405520658081280. Its totient is φ = 94684883788800.

The previous prime is 210355521120389. The next prime is 210355521120431. The reversal of 210355521120404 is 404021125553012.

210355521120404 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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2032938389 + ... + 2033041859.

It is an arithmetic number, because the mean of its divisors is an integer number (4224173521680).

Almost surely, 2^{210355521120404} is an apocalyptic number.

It is an amenable number.

210355521120404 is a deficient number, since it is larger than the sum of its proper divisors (195165136960876).

210355521120404 is a wasteful number, since it uses less digits than its factorization.

210355521120404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104721 (or 104719 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 210355521120404 its reverse (404021125553012), we get a palindrome (614376646673416).

The spelling of 210355521120404 in words is "two hundred ten trillion, three hundred fifty-five billion, five hundred twenty-one million, one hundred twenty thousand, four hundred four".