2013221111 has 12 divisors (see below), whose sum is σ = 2224026000. Its totient is φ = 1820982240.

The previous prime is 2013221101. The next prime is 2013221113. The reversal of 2013221111 is 1111223102.

It is not a de Polignac number, because 2013221111 - 2¹⁴ = 2013204727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17726 + ... + 65883.

It is an arithmetic number, because the mean of its divisors is an integer number (185335500).

Almost surely, 2^2013221111 is an apocalyptic number.

2013221111 is a deficient number, since it is larger than the sum of its proper divisors (210804889).

2013221111 is a wasteful number, since it uses less digits than its factorization.

2013221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83830 (or 83819 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2013221111 is about 44868.9325814644. The cubic root of 2013221111 is about 1262.6912140664.

Adding to 2013221111 its reverse (1111223102), we get a palindrome (3124444213).

The spelling of 2013221111 in words is "two billion, thirteen million, two hundred twenty-one thousand, one hundred eleven".