210100010212221 has 16 divisors (see below), whose sum is σ = 288024782293248. Its totient is φ = 136146168057600.

The previous prime is 210100010212207. The next prime is 210100010212223. The reversal of 210100010212221 is 122212010001012.

It is not a de Polignac number, because 210100010212221 - 2⁷ = 210100010212093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210100010212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100010212223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3151498336 + ... + 3151565001.

It is an arithmetic number, because the mean of its divisors is an integer number (18001548893328).

Almost surely, 2^{210100010212221} is an apocalyptic number.

It is an amenable number.

210100010212221 is a deficient number, since it is larger than the sum of its proper divisors (77924772081027).

210100010212221 is a wasteful number, since it uses less digits than its factorization.

210100010212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303063652.

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

Adding to 210100010212221 its reverse (122212010001012), we get a palindrome (332312020213233).

The spelling of 210100010212221 in words is "two hundred ten trillion, one hundred billion, ten million, two hundred twelve thousand, two hundred twenty-one".