1110111211111 has 12 divisors (see below), whose sum is σ = 1291372173120. Its totient is φ = 951510399840.

The previous prime is 1110111211051. The next prime is 1110111211123. The reversal of 1110111211111 is 1111121110111.

It is not a de Polignac number, because 1110111211111 - 2¹³ = 1110111202919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110111211091 and 1110111211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110111211171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5011051 + ... + 5227891.

It is an arithmetic number, because the mean of its divisors is an integer number (107614347760).

Almost surely, 2^{1110111211111} is an apocalyptic number.

1110111211111 is a deficient number, since it is larger than the sum of its proper divisors (181260962009).

1110111211111 is a wasteful number, since it uses less digits than its factorization.

1110111211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321334 (or 321327 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 1110111211111 its reverse (1111121110111), we get a palindrome (2221232321222).

The spelling of 1110111211111 in words is "one trillion, one hundred ten billion, one hundred eleven million, two hundred eleven thousand, one hundred eleven".