2212311011 has 4 divisors (see below), whose sum is σ = 2216745000. Its totient is φ = 2207877024.

The previous prime is 2212310953. The next prime is 2212311041. The reversal of 2212311011 is 1101132122.

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 2212311011 - 2²² = 2208116707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212311041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216246 + ... + 2217243.

It is an arithmetic number, because the mean of its divisors is an integer number (554186250).

Almost surely, 2^2212311011 is an apocalyptic number.

2212311011 is a deficient number, since it is larger than the sum of its proper divisors (4433989).

2212311011 is an equidigital number, since it uses as much as digits as its factorization.

2212311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433988.

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

The square root of 2212311011 is about 47035.2103322607. The cubic root of 2212311011 is about 1303.0129349740.

Adding to 2212311011 its reverse (1101132122), we get a palindrome (3313443133).

The spelling of 2212311011 in words is "two billion, two hundred twelve million, three hundred eleven thousand, eleven".