2011002001201 has 4 divisors (see below), whose sum is σ = 2011100886004. Its totient is φ = 2010903116400.

The previous prime is 2011002001193. The next prime is 2011002001213. The reversal of 2011002001201 is 1021002001102.

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 422696322801 + 1588305678400 = 650151^2 + 1260280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011002001201 - 2³ = 2011002001193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011002001241) 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, 49411890 + ... + 49452571.

It is an arithmetic number, because the mean of its divisors is an integer number (502775221501).

Almost surely, 2^{2011002001201} is an apocalyptic number.

It is an amenable number.

2011002001201 is a deficient number, since it is larger than the sum of its proper divisors (98884803).

2011002001201 is an equidigital number, since it uses as much as digits as its factorization.

2011002001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98884802.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2011002001201 its reverse (1021002001102), we get a palindrome (3032004002303).

Subtracting from 2011002001201 its reverse (1021002001102), we obtain a palindrome (990000000099).

The spelling of 2011002001201 in words is "two trillion, eleven billion, two million, one thousand, two hundred one".