2110010221 has 6 divisors (see below), whose sum is σ = 2319267566. Its totient is φ = 1918191000.

The previous prime is 2110010213. The next prime is 2110010237. The reversal of 2110010221 is 1220100112.

It can be written as a sum of positive squares in only one way, i.e., 1524902500 + 585107721 = 39050^2 + 24189^2 .

It is not a de Polignac number, because 2110010221 - 2³ = 2110010213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110010198 and 2110010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110019221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8718930 + ... + 8719171.

Almost surely, 2^2110010221 is an apocalyptic number.

It is an amenable number.

2110010221 is a deficient number, since it is larger than the sum of its proper divisors (209257345).

2110010221 is a wasteful number, since it uses less digits than its factorization.

2110010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17438123 (or 17438112 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2110010221 is about 45934.8475669616. The cubic root of 2110010221 is about 1282.6106833989.

Adding to 2110010221 its reverse (1220100112), we get a palindrome (3330110333).

The spelling of 2110010221 in words is "two billion, one hundred ten million, ten thousand, two hundred twenty-one".