2011112221201 has 4 divisors (see below), whose sum is σ = 2015651978352. Its totient is φ = 2006572464052.

The previous prime is 2011112221199. The next prime is 2011112221319. The reversal of 2011112221201 is 1021222111102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011112221201 - 2¹ = 2011112221199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011112224201) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2269877911 + ... + 2269878796.

It is an arithmetic number, because the mean of its divisors is an integer number (503912994588).

Almost surely, 2^{2011112221201} is an apocalyptic number.

It is an amenable number.

2011112221201 is a deficient number, since it is larger than the sum of its proper divisors (4539757151).

2011112221201 is an equidigital number, since it uses as much as digits as its factorization.

2011112221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539757150.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011112221201 its reverse (1021222111102), we get a palindrome (3032334332303).

The spelling of 2011112221201 in words is "two trillion, eleven billion, one hundred twelve million, two hundred twenty-one thousand, two hundred one".