1100111012111 has 4 divisors (see below), whose sum is σ = 1110203773800. Its totient is φ = 1090018250424.

The previous prime is 1100111012101. The next prime is 1100111012141. The reversal of 1100111012111 is 1112101110011.

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 1100111012111 - 2⁶ = 1100111012047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100111012092 and 1100111012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100111012101) 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, 5046380681 + ... + 5046380898.

It is an arithmetic number, because the mean of its divisors is an integer number (277550943450).

Almost surely, 2^{1100111012111} is an apocalyptic number.

1100111012111 is a deficient number, since it is larger than the sum of its proper divisors (10092761689).

1100111012111 is a wasteful number, since it uses less digits than its factorization.

1100111012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092761688.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1100111012111 its reverse (1112101110011), we get a palindrome (2212212122122).

The spelling of 1100111012111 in words is "one trillion, one hundred billion, one hundred eleven million, twelve thousand, one hundred eleven".