210221102220212 has 48 divisors (see below), whose sum is σ = 368553644659200. Its totient is φ = 104920286515200.

The previous prime is 210221102220169. The next prime is 210221102220229. The reversal of 210221102220212 is 212022201122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37789158143 + ... + 37789163705.

It is an arithmetic number, because the mean of its divisors is an integer number (7678200930400).

Almost surely, 2^{210221102220212} is an apocalyptic number.

It is an amenable number.

210221102220212 is a deficient number, since it is larger than the sum of its proper divisors (158332542438988).

210221102220212 is a wasteful number, since it uses less digits than its factorization.

210221102220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936 (or 12934 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210221102220212 its reverse (212022201122012), we get a palindrome (422243303342224).

The spelling of 210221102220212 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred two million, two hundred twenty thousand, two hundred twelve".