2013221013 has 8 divisors (see below), whose sum is σ = 2685292800. Its totient is φ = 1341648288.

The previous prime is 2013221011. The next prime is 2013221053. The reversal of 2013221013 is 3101223102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2013221013 - 2¹ = 2013221011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013220983 and 2013221001.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115248 + ... + 131561.

It is an arithmetic number, because the mean of its divisors is an integer number (335661600).

Almost surely, 2^2013221013 is an apocalyptic number.

It is an amenable number.

2013221013 is a deficient number, since it is larger than the sum of its proper divisors (672071787).

2013221013 is a wasteful number, since it uses less digits than its factorization.

2013221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249531.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2013221013 is about 44868.9314893948. The cubic root of 2013221013 is about 1262.6911935778.

Adding to 2013221013 its reverse (3101223102), we get a palindrome (5114444115).

The spelling of 2013221013 in words is "two billion, thirteen million, two hundred twenty-one thousand, thirteen".