2010210323221 has 4 divisors (see below), whose sum is σ = 2010213312844. Its totient is φ = 2010207333600.

The previous prime is 2010210323203. The next prime is 2010210323227. The reversal of 2010210323221 is 1223230120102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1161027800100 + 849182523121 = 1077510^2 + 921511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010210323221 - 2⁵ = 2010210323189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010210323227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37081 + ... + 2005441.

It is an arithmetic number, because the mean of its divisors is an integer number (502553328211).

Almost surely, 2^{2010210323221} is an apocalyptic number.

It is an amenable number.

2010210323221 is a deficient number, since it is larger than the sum of its proper divisors (2989623).

2010210323221 is a wasteful number, since it uses less digits than its factorization.

2010210323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989622.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2010210323221 its reverse (1223230120102), we get a palindrome (3233440443323).

The spelling of 2010210323221 in words is "two trillion, ten billion, two hundred ten million, three hundred twenty-three thousand, two hundred twenty-one".