2011132211 has 4 divisors (see below), whose sum is σ = 2193962424. Its totient is φ = 1828302000.

The previous prime is 2011132187. The next prime is 2011132237. The reversal of 2011132211 is 1122311102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011132211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011132271) 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, 91415090 + ... + 91415111.

It is an arithmetic number, because the mean of its divisors is an integer number (548490606).

Almost surely, 2^2011132211 is an apocalyptic number.

2011132211 is a deficient number, since it is larger than the sum of its proper divisors (182830213).

2011132211 is a wasteful number, since it uses less digits than its factorization.

2011132211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182830212.

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

The square root of 2011132211 is about 44845.6487409871. The cubic root of 2011132211 is about 1262.2543439429.

Adding to 2011132211 its reverse (1122311102), we get a palindrome (3133443313).

The spelling of 2011132211 in words is "two billion, eleven million, one hundred thirty-two thousand, two hundred eleven".