1101110111111 has 8 divisors (see below), whose sum is σ = 1148999474400. Its totient is φ = 1053221998752.

The previous prime is 1101110111107. The next prime is 1101110111131. The reversal of 1101110111111 is 1111110111011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101110111111 - 2² = 1101110111107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101110111092 and 1101110111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101110111131) 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, 1785665 + ... + 2321813.

It is an arithmetic number, because the mean of its divisors is an integer number (143624934300).

Almost surely, 2^{1101110111111} is an apocalyptic number.

1101110111111 is a deficient number, since it is larger than the sum of its proper divisors (47889363289).

1101110111111 is an equidigital number, since it uses as much as digits as its factorization.

1101110111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625465.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 1101110111111 its reverse (1111110111011), we get a palindrome (2212220222122).

It can be divided in two parts, 110111011 and 1111, that multiplied together give a palindrome (122333333221).

The spelling of 1101110111111 in words is "one trillion, one hundred one billion, one hundred ten million, one hundred eleven thousand, one hundred eleven".