2011112123330 has 16 divisors (see below), whose sum is σ = 3620017981944. Its totient is φ = 804441258240.

The previous prime is 2011112123309. The next prime is 2011112123369. The reversal of 2011112123330 is 333212111102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1803383095801 + 207729027529 = 1342901^2 + 455773^2 .

It is a super-2 number, since 2×2011112123330² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4057514 + ... + 4526106.

Almost surely, 2^{2011112123330} is an apocalyptic number.

2011112123330 is a deficient number, since it is larger than the sum of its proper divisors (1608905858614).

2011112123330 is a wasteful number, since it uses less digits than its factorization.

2011112123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897781.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2011112123330 its reverse (333212111102), we get a palindrome (2344324234432).

The spelling of 2011112123330 in words is "two trillion, eleven billion, one hundred twelve million, one hundred twenty-three thousand, three hundred thirty".