2010021330221 has 4 divisors (see below), whose sum is σ = 2011024837632. Its totient is φ = 2009017822812.

The previous prime is 2010021330217. The next prime is 2010021330241. The reversal of 2010021330221 is 1220331200102.

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 2010021330221 - 2² = 2010021330217 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 2010021330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010021330241) 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, 501750701 + ... + 501754706.

It is an arithmetic number, because the mean of its divisors is an integer number (502756209408).

Almost surely, 2^{2010021330221} is an apocalyptic number.

It is an amenable number.

2010021330221 is a deficient number, since it is larger than the sum of its proper divisors (1003507411).

2010021330221 is a wasteful number, since it uses less digits than its factorization.

2010021330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003507410.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2010021330221 its reverse (1220331200102), we get a palindrome (3230352530323).

The spelling of 2010021330221 in words is "two trillion, ten billion, twenty-one million, three hundred thirty thousand, two hundred twenty-one".