210212110101211 has 4 divisors (see below), whose sum is σ = 210287159054424. Its totient is φ = 210137061148000.

The previous prime is 210212110101209. The next prime is 210212110101247. The reversal of 210212110101211 is 112101011212012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210212110101211 - 2¹ = 210212110101209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210212110141211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37524472405 + ... + 37524478006.

It is an arithmetic number, because the mean of its divisors is an integer number (52571789763606).

Almost surely, 2^{210212110101211} is an apocalyptic number.

210212110101211 is a deficient number, since it is larger than the sum of its proper divisors (75048953213).

210212110101211 is an equidigital number, since it uses as much as digits as its factorization.

210212110101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75048953212.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 210212110101211 its reverse (112101011212012), we get a palindrome (322313121313223).

The spelling of 210212110101211 in words is "two hundred ten trillion, two hundred twelve billion, one hundred ten million, one hundred one thousand, two hundred eleven".