2013221010 has 64 divisors (see below), whose sum is σ = 4981253760. Its totient is φ = 520496640.

The previous prime is 2013220997. The next prime is 2013221011. The reversal of 2013221010 is 101223102.

It is not an unprimeable number, because it can be changed into a prime (2013221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121420 + ... + 137000.

It is an arithmetic number, because the mean of its divisors is an integer number (77832090).

Almost surely, 2^2013221010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013221010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2490626880).

2013221010 is an abundant number, since it is smaller than the sum of its proper divisors (2968032750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013221010 is a wasteful number, since it uses less digits than its factorization.

2013221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723.

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

The square root of 2013221010 is about 44868.9314559640. The cubic root of 2013221010 is about 1262.6911929506.

Adding to 2013221010 its reverse (101223102), we get a palindrome (2114444112).

The spelling of 2013221010 in words is "two billion, thirteen million, two hundred twenty-one thousand, ten".