11121412111 has 16 divisors (see below), whose sum is σ = 11756876544. Its totient is φ = 10498875904.

The previous prime is 11121412079. The next prime is 11121412153.

It is a happy number.

11121412111 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 11121412111 - 2⁵ = 11121412079 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 (11121412711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320860 + ... + 2325646.

It is an arithmetic number, because the mean of its divisors is an integer number (734804784).

Almost surely, 2^11121412111 is an apocalyptic number.

11121412111 is a deficient number, since it is larger than the sum of its proper divisors (635464433).

11121412111 is a wasteful number, since it uses less digits than its factorization.

11121412111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110.

The product of its digits is 16, while the sum is 16.

The spelling of 11121412111 in words is "eleven billion, one hundred twenty-one million, four hundred twelve thousand, one hundred eleven".