2210310021 has 16 divisors (see below), whose sum is σ = 2980800000. Its totient is φ = 1456737648.

The previous prime is 2210310019. The next prime is 2210310043. The reversal of 2210310021 is 1200130122.

It is not a de Polignac number, because 2210310021 - 2¹ = 2210310019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210309979 and 2210310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210310121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153280 + ... + 167078.

It is an arithmetic number, because the mean of its divisors is an integer number (186300000).

Almost surely, 2^2210310021 is an apocalyptic number.

It is an amenable number.

2210310021 is a deficient number, since it is larger than the sum of its proper divisors (770489979).

2210310021 is a wasteful number, since it uses less digits than its factorization.

2210310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14408.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2210310021 is about 47013.9343280266. The cubic root of 2210310021 is about 1302.6199669686.

Adding to 2210310021 its reverse (1200130122), we get a palindrome (3410440143).

The spelling of 2210310021 in words is "two billion, two hundred ten million, three hundred ten thousand, twenty-one".