210002212000021 has 8 divisors (see below), whose sum is σ = 240003031734720. Its totient is φ = 180001518199008.

The previous prime is 210002211999997. The next prime is 210002212000043. The reversal of 210002212000021 is 120000212200012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210002212000021 - 2¹⁷ = 210002211868949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210002211999965 and 210002212000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002212000921) 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 7 ways as a sum of consecutive naturals, for example, 27882616 + ... + 34604113.

It is an arithmetic number, because the mean of its divisors is an integer number (30000378966840).

Almost surely, 2^{210002212000021} is an apocalyptic number.

It is an amenable number.

210002212000021 is a deficient number, since it is larger than the sum of its proper divisors (30000819734699).

210002212000021 is an equidigital number, since it uses as much as digits as its factorization.

210002212000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62966843.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210002212000021 its reverse (120000212200012), we get a palindrome (330002424200033).

The spelling of 210002212000021 in words is "two hundred ten trillion, two billion, two hundred twelve million, twenty-one", and thus it is an aban number.