210221110200012 has 24 divisors (see below), whose sum is σ = 490516331918256. Its totient is φ = 70073645097408.

The previous prime is 210221110200007. The next prime is 210221110200103. The reversal of 210221110200012 is 210002011122012.

It is a junction number, because it is equal to n+sod(n) for n = 210221110199964 and 210221110200000.

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, 9234138 + ... + 22488030.

It is an arithmetic number, because the mean of its divisors is an integer number (20438180496594).

Almost surely, 2^{210221110200012} is an apocalyptic number.

It is an amenable number.

210221110200012 is an abundant number, since it is smaller than the sum of its proper divisors (280295221718244).

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

210221110200012 is a wasteful number, since it uses less digits than its factorization.

210221110200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14575657 (or 14575655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210221110200012 its reverse (210002011122012), we get a palindrome (420223121322024).

The spelling of 210221110200012 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred ten million, two hundred thousand, twelve".