21201100200210 has 48 divisors (see below), whose sum is σ = 59190010358976. Its totient is φ = 4845965759712.

The previous prime is 21201100200209. The next prime is 21201100200233. The reversal of 21201100200210 is 1200200110212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7211257102 + ... + 7211260041.

It is an arithmetic number, because the mean of its divisors is an integer number (1233125215812).

Almost surely, 2^{21201100200210} is an apocalyptic number.

21201100200210 is an abundant number, since it is smaller than the sum of its proper divisors (37988910158766).

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

21201100200210 is a wasteful number, since it uses less digits than its factorization.

21201100200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14422517167 (or 14422517160 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21201100200210 its reverse (1200200110212), we get a palindrome (22401300310422).

The spelling of 21201100200210 in words is "twenty-one trillion, two hundred one billion, one hundred million, two hundred thousand, two hundred ten".