2110313221 has 4 divisors (see below), whose sum is σ = 2110466700. Its totient is φ = 2110159744.

The previous prime is 2110313213. The next prime is 2110313287. The reversal of 2110313221 is 1223130112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 801682596 + 1308630625 = 28314^2 + 36175^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110313221 - 2³ = 2110313213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110313195 and 2110313204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110313201) 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, 53836 + ... + 84373.

It is an arithmetic number, because the mean of its divisors is an integer number (527616675).

Almost surely, 2^2110313221 is an apocalyptic number.

It is an amenable number.

2110313221 is a deficient number, since it is larger than the sum of its proper divisors (153479).

2110313221 is a wasteful number, since it uses less digits than its factorization.

2110313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153478.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2110313221 is about 45938.1455981845. The cubic root of 2110313221 is about 1282.6720752714.

Adding to 2110313221 its reverse (1223130112), we get a palindrome (3333443333).

The spelling of 2110313221 in words is "two billion, one hundred ten million, three hundred thirteen thousand, two hundred twenty-one".