2211202013 has 4 divisors (see below), whose sum is σ = 2231488380. Its totient is φ = 2190915648.

The previous prime is 2211201977. The next prime is 2211202027. The reversal of 2211202013 is 3102021122.

It is a happy number.

2211202013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1100779684 + 1110422329 = 33178^2 + 33323^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211202013 - 2⁸ = 2211201757 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 (2211202033) 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, 10143020 + ... + 10143237.

It is an arithmetic number, because the mean of its divisors is an integer number (557872095).

Almost surely, 2^2211202013 is an apocalyptic number.

It is an amenable number.

2211202013 is a deficient number, since it is larger than the sum of its proper divisors (20286367).

2211202013 is a wasteful number, since it uses less digits than its factorization.

2211202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20286366.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2211202013 is about 47023.4198352268. The cubic root of 2211202013 is about 1302.7951717003.

Adding to 2211202013 its reverse (3102021122), we get a palindrome (5313223135).

The spelling of 2211202013 in words is "two billion, two hundred eleven million, two hundred two thousand, thirteen".