210100221200212 has 24 divisors (see below), whose sum is σ = 420201662259456. Its totient is φ = 90042690544608.

The previous prime is 210100221200201. The next prime is 210100221200267. The reversal of 210100221200212 is 212002122001012.

It is a happy number.

210100221200212 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 7 ways as a sum of consecutive naturals, for example, 913948 + ... + 20519155.

It is an arithmetic number, because the mean of its divisors is an integer number (17508402594144).

Almost surely, 2^{210100221200212} is an apocalyptic number.

It is an amenable number.

210100221200212 is an abundant number, since it is smaller than the sum of its proper divisors (210101441059244).

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

210100221200212 is a wasteful number, since it uses less digits than its factorization.

210100221200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21783207 (or 21783205 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210100221200212 its reverse (212002122001012), we get a palindrome (422102343201224).

The spelling of 210100221200212 in words is "two hundred ten trillion, one hundred billion, two hundred twenty-one million, two hundred thousand, two hundred twelve".