2011223311 has 8 divisors (see below), whose sum is σ = 2023585200. Its totient is φ = 1998875520.

The previous prime is 2011223303. The next prime is 2011223323. The reversal of 2011223311 is 1133221102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011223311 - 2³ = 2011223303 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 (2011223371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470100 + ... + 474358.

It is an arithmetic number, because the mean of its divisors is an integer number (252948150).

Almost surely, 2^2011223311 is an apocalyptic number.

2011223311 is a deficient number, since it is larger than the sum of its proper divisors (12361889).

2011223311 is a wasteful number, since it uses less digits than its factorization.

2011223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2011223311 is about 44846.6644356077. The cubic root of 2011223311 is about 1262.2734027984.

Adding to 2011223311 its reverse (1133221102), we get a palindrome (3144444413).

The spelling of 2011223311 in words is "two billion, eleven million, two hundred twenty-three thousand, three hundred eleven".