2011100112201 has 4 divisors (see below), whose sum is σ = 2681466816272. Its totient is φ = 1340733408132.

The previous prime is 2011100112187. The next prime is 2011100112221. The reversal of 2011100112201 is 1022110011102.

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 not a de Polignac number, because 2011100112201 - 2¹¹ = 2011100110153 is a prime.

It is a super-2 number, since 2×2011100112201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011100112221) 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, 335183352031 + ... + 335183352036.

It is an arithmetic number, because the mean of its divisors is an integer number (670366704068).

Almost surely, 2^{2011100112201} is an apocalyptic number.

It is an amenable number.

2011100112201 is a deficient number, since it is larger than the sum of its proper divisors (670366704071).

2011100112201 is an equidigital number, since it uses as much as digits as its factorization.

2011100112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670366704070.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011100112201 its reverse (1022110011102), we get a palindrome (3033210123303).

The spelling of 2011100112201 in words is "two trillion, eleven billion, one hundred million, one hundred twelve thousand, two hundred one".