2011233222233 has 4 divisors (see below), whose sum is σ = 2011239941028. Its totient is φ = 2011226503440.

The previous prime is 2011233222211. The next prime is 2011233222281. The reversal of 2011233222233 is 3322223321102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1586483836249 + 424749385984 = 1259557^2 + 651728^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011233222233 - 2⁴⁰ = 911721594457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2011233227233) 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, 2888366 + ... + 3516407.

It is an arithmetic number, because the mean of its divisors is an integer number (502809985257).

Almost surely, 2^{2011233222233} is an apocalyptic number.

It is an amenable number.

2011233222233 is a deficient number, since it is larger than the sum of its proper divisors (6718795).

2011233222233 is an equidigital number, since it uses as much as digits as its factorization.

2011233222233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718794.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2011233222233 its reverse (3322223321102), we get a palindrome (5333456543335).

The spelling of 2011233222233 in words is "two trillion, eleven billion, two hundred thirty-three million, two hundred twenty-two thousand, two hundred thirty-three".