2201111122011 has 8 divisors (see below), whose sum is σ = 3029486275584. Its totient is φ = 1420071691560.

The previous prime is 2201111122009. The next prime is 2201111122013. The reversal of 2201111122011 is 1102211111022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2201111122009) and next prime (2201111122013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2201111122011 - 2¹ = 2201111122009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201111122013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11833930671 + ... + 11833930856.

It is an arithmetic number, because the mean of its divisors is an integer number (378685784448).

Almost surely, 2^{2201111122011} is an apocalyptic number.

2201111122011 is a deficient number, since it is larger than the sum of its proper divisors (828375153573).

2201111122011 is a wasteful number, since it uses less digits than its factorization.

2201111122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23667861561.

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

Adding to 2201111122011 its reverse (1102211111022), we get a palindrome (3303322233033).

The spelling of 2201111122011 in words is "two trillion, two hundred one billion, one hundred eleven million, one hundred twenty-two thousand, eleven".