2011230211 has 4 divisors (see below), whose sum is σ = 2012777424. Its totient is φ = 2009683000.

The previous prime is 2011230083. The next prime is 2011230223. The reversal of 2011230211 is 1120321102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011230211 - 2⁷ = 2011230083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011230191 and 2011230200.

It is not an unprimeable number, because it can be changed into a prime (2011230241) 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, 771655 + ... + 774256.

It is an arithmetic number, because the mean of its divisors is an integer number (503194356).

Almost surely, 2^2011230211 is an apocalyptic number.

2011230211 is a deficient number, since it is larger than the sum of its proper divisors (1547213).

2011230211 is a wasteful number, since it uses less digits than its factorization.

2011230211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547212.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2011230211 is about 44846.7413643400. The cubic root of 2011230211 is about 1262.2748463107.

Adding to 2011230211 its reverse (1120321102), we get a palindrome (3131551313).

The spelling of 2011230211 in words is "two billion, eleven million, two hundred thirty thousand, two hundred eleven".