2010202221 has 4 divisors (see below), whose sum is σ = 2680269632. Its totient is φ = 1340134812.

The previous prime is 2010202217. The next prime is 2010202237. The reversal of 2010202221 is 1222020102.

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 not a de Polignac number, because 2010202221 - 2² = 2010202217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010202197 and 2010202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010202021) 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, 335033701 + ... + 335033706.

It is an arithmetic number, because the mean of its divisors is an integer number (670067408).

Almost surely, 2^2010202221 is an apocalyptic number.

It is an amenable number.

2010202221 is a deficient number, since it is larger than the sum of its proper divisors (670067411).

2010202221 is an equidigital number, since it uses as much as digits as its factorization.

2010202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670067410.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2010202221 is about 44835.2787545700. The cubic root of 2010202221 is about 1262.0597495912.

Adding to 2010202221 its reverse (1222020102), we get a palindrome (3232222323).

The spelling of 2010202221 in words is "two billion, ten million, two hundred two thousand, two hundred twenty-one".