2011123112230 has 16 divisors (see below), whose sum is σ = 3620037943584. Its totient is φ = 804445613440.

The previous prime is 2011123112209. The next prime is 2011123112237. The reversal of 2011123112230 is 322113211102.

It is a junction number, because it is equal to n+sod(n) for n = 2011123112198 and 2011123112207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011123112237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3574215 + ... + 4098445.

It is an arithmetic number, because the mean of its divisors is an integer number (226252371474).

Almost surely, 2^{2011123112230} is an apocalyptic number.

2011123112230 is a deficient number, since it is larger than the sum of its proper divisors (1608914831354).

2011123112230 is a wasteful number, since it uses less digits than its factorization.

2011123112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907871.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2011123112230 its reverse (322113211102), we get a palindrome (2333236323332).

The spelling of 2011123112230 in words is "two trillion, eleven billion, one hundred twenty-three million, one hundred twelve thousand, two hundred thirty".