210002012110221 has 32 divisors (see below), whose sum is σ = 290438279639040. Its totient is φ = 134859707970624.

The previous prime is 210002012110193. The next prime is 210002012110243. The reversal of 210002012110221 is 122011210200012.

It is not a de Polignac number, because 210002012110221 - 2¹¹ = 210002012108173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210002012110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002012110321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41306050 + ... + 46110668.

It is an arithmetic number, because the mean of its divisors is an integer number (9076196238720).

Almost surely, 2^{210002012110221} is an apocalyptic number.

It is an amenable number.

210002012110221 is a deficient number, since it is larger than the sum of its proper divisors (80436267528819).

210002012110221 is a wasteful number, since it uses less digits than its factorization.

210002012110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808585.

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

Adding to 210002012110221 its reverse (122011210200012), we get a palindrome (332013222310233).

The spelling of 210002012110221 in words is "two hundred ten trillion, two billion, twelve million, one hundred ten thousand, two hundred twenty-one".