2011300123320 has 224 divisors, whose sum is σ = 7184155479120. Its totient is φ = 504796769280.

The previous prime is 2011300123319. The next prime is 2011300123397. The reversal of 2011300123320 is 233210031102.

2011300123320 is a `hidden beast` number, since 20 + 1 + 1 + 300 + 1 + 23 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2011300123293 and 2011300123302.

It is a congruent number.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 1532946 + ... + 2524385.

Almost surely, 2^{2011300123320} is an apocalyptic number.

2011300123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011300123320 is an abundant number, since it is smaller than the sum of its proper divisors (5172855355800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011300123320 is a wasteful number, since it uses less digits than its factorization.

2011300123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057377 (or 4057358 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2011300123320 its reverse (233210031102), we get a palindrome (2244510154422).

The spelling of 2011300123320 in words is "two trillion, eleven billion, three hundred million, one hundred twenty-three thousand, three hundred twenty".