11011110012111 has 24 divisors (see below), whose sum is σ = 16303860538672. Its totient is φ = 6604602048000.

The previous prime is 11011110012079. The next prime is 11011110012121. The reversal of 11011110012111 is 11121001111011.

It is not a de Polignac number, because 11011110012111 - 2⁵ = 11011110012079 is a prime.

It is a super-2 number, since 2×11011110012111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011110012121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156323740 + ... + 156394161.

Almost surely, 2^{11011110012111} is an apocalyptic number.

11011110012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11011110012111 is a deficient number, since it is larger than the sum of its proper divisors (5292750526561).

11011110012111 is a wasteful number, since it uses less digits than its factorization.

11011110012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312718023 (or 312718012 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 11011110012111 its reverse (11121001111011), we get a palindrome (22132111123122).

The spelling of 11011110012111 in words is "eleven trillion, eleven billion, one hundred ten million, twelve thousand, one hundred eleven".