2010102221 has 8 divisors (see below), whose sum is σ = 2050775064. Its totient is φ = 1969531200.

The previous prime is 2010102179. The next prime is 2010102257. The reversal of 2010102221 is 1222010102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 251222500 + 1758879721 = 15850^2 + 41939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010102221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012102221) 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, 15071 + ... + 65171.

It is an arithmetic number, because the mean of its divisors is an integer number (256346883).

Almost surely, 2^2010102221 is an apocalyptic number.

It is an amenable number.

2010102221 is a deficient number, since it is larger than the sum of its proper divisors (40672843).

2010102221 is an equidigital number, since it uses as much as digits as its factorization.

2010102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50911.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2010102221 is about 44834.1635474556. The cubic root of 2010102221 is about 1262.0388216689.

Adding to 2010102221 its reverse (1222010102), we get a palindrome (3232112323).

The spelling of 2010102221 in words is "two billion, ten million, one hundred two thousand, two hundred twenty-one".