2011111200205 has 8 divisors (see below), whose sum is σ = 2421194463072. Its totient is φ = 1603648278288.

The previous prime is 2011111200199. The next prime is 2011111200211. The reversal of 2011111200205 is 5020021111102.

It is an interprime number because it is at equal distance from previous prime (2011111200199) and next prime (2011111200211).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011111200205 is a prime.

It is a super-3 number, since 3×2011111200205³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655083547 + ... + 655086616.

It is an arithmetic number, because the mean of its divisors is an integer number (302649307884).

Almost surely, 2^{2011111200205} is an apocalyptic number.

It is an amenable number.

2011111200205 is a deficient number, since it is larger than the sum of its proper divisors (410083262867).

2011111200205 is a wasteful number, since it uses less digits than its factorization.

2011111200205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310170475.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 2011111200205 its reverse (5020021111102), we get a palindrome (7031132311307).

The spelling of 2011111200205 in words is "two trillion, eleven billion, one hundred eleven million, two hundred thousand, two hundred five".