2201000111111 has 4 divisors (see below), whose sum is σ = 2238305197800. Its totient is φ = 2163695024424.

The previous prime is 2201000111087. The next prime is 2201000111131. The reversal of 2201000111111 is 1111110001022.

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 2201000111111 - 2²² = 2200995916807 is a prime.

It is a super-2 number, since 2×2201000111111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201000111092 and 2201000111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201000111131) 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 3 ways as a sum of consecutive naturals, for example, 18652543256 + ... + 18652543373.

It is an arithmetic number, because the mean of its divisors is an integer number (559576299450).

Almost surely, 2^{2201000111111} is an apocalyptic number.

2201000111111 is a deficient number, since it is larger than the sum of its proper divisors (37305086689).

2201000111111 is an equidigital number, since it uses as much as digits as its factorization.

2201000111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37305086688.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2201000111111 its reverse (1111110001022), we get a palindrome (3312110112133).

The spelling of 2201000111111 in words is "two trillion, two hundred one billion, one hundred eleven thousand, one hundred eleven".