11000001211111 has 8 divisors (see below), whose sum is σ = 12000030883200. Its totient is φ = 9999976466040.

The previous prime is 11000001211099. The next prime is 11000001211163. The reversal of 11000001211111 is 11111210000011.

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

It is not a de Polignac number, because 11000001211111 - 2¹¹ = 11000001209063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000001211711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4662910 + ... + 6613828.

It is an arithmetic number, because the mean of its divisors is an integer number (1500003860400).

Almost surely, 2^{11000001211111} is an apocalyptic number.

11000001211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11000001211111 is a deficient number, since it is larger than the sum of its proper divisors (1000029672089).

11000001211111 is a wasteful number, since it uses less digits than its factorization.

11000001211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463509.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11000001211111 its reverse (11111210000011), we get a palindrome (22111211211122).

The spelling of 11000001211111 in words is "eleven trillion, one million, two hundred eleven thousand, one hundred eleven".