210221021100104 has 32 divisors (see below), whose sum is σ = 450799810593600. Its totient is φ = 90029484538560.

The previous prime is 210221021100049. The next prime is 210221021100121. The reversal of 210221021100104 is 401001120122012.

210221021100104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359063434 + ... + 1359218105.

It is an arithmetic number, because the mean of its divisors is an integer number (14087494081050).

Almost surely, 2^{210221021100104} is an apocalyptic number.

It is an amenable number.

210221021100104 is an abundant number, since it is smaller than the sum of its proper divisors (240578789493496).

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

210221021100104 is a wasteful number, since it uses less digits than its factorization.

210221021100104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718282933 (or 2718282929 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210221021100104 its reverse (401001120122012), we get a palindrome (611222141222116).

The spelling of 210221021100104 in words is "two hundred ten trillion, two hundred twenty-one billion, twenty-one million, one hundred thousand, one hundred four".