2011201112211 has 4 divisors (see below), whose sum is σ = 2681601482952. Its totient is φ = 1340800741472.

The previous prime is 2011201112197. The next prime is 2011201112251. The reversal of 2011201112211 is 1122111021102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011201112211 - 2¹³ = 2011201104019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011201112251) 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, 335200185366 + ... + 335200185371.

It is an arithmetic number, because the mean of its divisors is an integer number (670400370738).

Almost surely, 2^{2011201112211} is an apocalyptic number.

2011201112211 is a deficient number, since it is larger than the sum of its proper divisors (670400370741).

2011201112211 is an equidigital number, since it uses as much as digits as its factorization.

2011201112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670400370740.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2011201112211 its reverse (1122111021102), we get a palindrome (3133312133313).

The spelling of 2011201112211 in words is "two trillion, eleven billion, two hundred one million, one hundred twelve thousand, two hundred eleven".