2011201104305 has 4 divisors (see below), whose sum is σ = 2413441325172. Its totient is φ = 1608960883440.

The previous prime is 2011201104301. The next prime is 2011201104317. The reversal of 2011201104305 is 5034011021102.

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 274994311201 + 1736206793104 = 524399^2 + 1317652^2 .

It is not a de Polignac number, because 2011201104305 - 2² = 2011201104301 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 (2011201104301) 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, 201120110426 + ... + 201120110435.

It is an arithmetic number, because the mean of its divisors is an integer number (603360331293).

Almost surely, 2^{2011201104305} is an apocalyptic number.

It is an amenable number.

2011201104305 is a deficient number, since it is larger than the sum of its proper divisors (402240220867).

2011201104305 is an equidigital number, since it uses as much as digits as its factorization.

2011201104305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402240220866.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 2011201104305 its reverse (5034011021102), we get a palindrome (7045212125407).

The spelling of 2011201104305 in words is "two trillion, eleven billion, two hundred one million, one hundred four thousand, three hundred five".