2011222113 has 4 divisors (see below), whose sum is σ = 2681629488. Its totient is φ = 1340814740.

The previous prime is 2011222093. The next prime is 2011222117. The reversal of 2011222113 is 3112221102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011222113 - 2⁶ = 2011222049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011222092 and 2011222101.

It is not an unprimeable number, because it can be changed into a prime (2011222117) 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, 335203683 + ... + 335203688.

It is an arithmetic number, because the mean of its divisors is an integer number (670407372).

Almost surely, 2^2011222113 is an apocalyptic number.

It is an amenable number.

2011222113 is a deficient number, since it is larger than the sum of its proper divisors (670407375).

2011222113 is an equidigital number, since it uses as much as digits as its factorization.

2011222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670407374.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2011222113 is about 44846.6510789825. The cubic root of 2011222113 is about 1262.2731521709.

Adding to 2011222113 its reverse (3112221102), we get a palindrome (5123443215).

The spelling of 2011222113 in words is "two billion, eleven million, two hundred twenty-two thousand, one hundred thirteen".