2010210011221 has 4 divisors (see below), whose sum is σ = 2011195893600. Its totient is φ = 2009224128844.

The previous prime is 2010210011213. The next prime is 2010210011261. The reversal of 2010210011221 is 1221100120102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2010210011221 - 2³ = 2010210011213 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 (2010210011261) 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, 492938131 + ... + 492942208.

It is an arithmetic number, because the mean of its divisors is an integer number (502798973400).

Almost surely, 2^{2010210011221} is an apocalyptic number.

It is an amenable number.

2010210011221 is a deficient number, since it is larger than the sum of its proper divisors (985882379).

2010210011221 is an equidigital number, since it uses as much as digits as its factorization.

2010210011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985882378.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2010210011221 its reverse (1221100120102), we get a palindrome (3231310131323).

The spelling of 2010210011221 in words is "two trillion, ten billion, two hundred ten million, eleven thousand, two hundred twenty-one".