210221012200100 has 72 divisors (see below), whose sum is σ = 519287445851328. Its totient is φ = 73120352060800.

The previous prime is 210221012200063. The next prime is 210221012200127. The reversal of 210221012200100 is 1002210122012.

210221012200100 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 23 ways as a sum of consecutive naturals, for example, 4154540159 + ... + 4154590758.

It is an arithmetic number, because the mean of its divisors is an integer number (7212325636824).

Almost surely, 2^{210221012200100} is an apocalyptic number.

210221012200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210221012200100 is an abundant number, since it is smaller than the sum of its proper divisors (309066433651228).

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

210221012200100 is a wasteful number, since it uses less digits than its factorization.

210221012200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309130965 (or 8309130958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210221012200100 its reverse (1002210122012), we get a palindrome (211223222322112).

The spelling of 210221012200100 in words is "two hundred ten trillion, two hundred twenty-one billion, twelve million, two hundred thousand, one hundred".