2110210212221 has 8 divisors (see below), whose sum is σ = 2115462158688. Its totient is φ = 2104959402000.

The previous prime is 2110210212191. The next prime is 2110210212247. The reversal of 2110210212221 is 1222120120112.

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 2110210212221 - 2⁶ = 2110210212157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110210212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110210112221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3497426 + ... + 4056156.

It is an arithmetic number, because the mean of its divisors is an integer number (264432769836).

Almost surely, 2^{2110210212221} is an apocalyptic number.

It is an amenable number.

2110210212221 is a deficient number, since it is larger than the sum of its proper divisors (5251946467).

2110210212221 is an equidigital number, since it uses as much as digits as its factorization.

2110210212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568123.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2110210212221 its reverse (1222120120112), we get a palindrome (3332330332333).

The spelling of 2110210212221 in words is "two trillion, one hundred ten billion, two hundred ten million, two hundred twelve thousand, two hundred twenty-one".