111100000001011 has 8 divisors (see below), whose sum is σ = 127288065554784. Its totient is φ = 94991093692800.

The previous prime is 111100000000999. The next prime is 111100000001057. The reversal of 111100000001011 is 110100000001111.

It is a happy number.

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 111100000001011 - 2¹⁷ = 111099999869939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111100000000985 and 111100000001003.

It is not an unprimeable number, because it can be changed into a prime (111100000001611) 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, 19789808380 + ... + 19789813993.

It is an arithmetic number, because the mean of its divisors is an integer number (15911008194348).

Almost surely, 2^{111100000001011} is an apocalyptic number.

111100000001011 is a deficient number, since it is larger than the sum of its proper divisors (16188065553773).

111100000001011 is an equidigital number, since it uses as much as digits as its factorization.

111100000001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39579622781.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 111100000001011 its reverse (110100000001111), we get a palindrome (221200000002122).

The spelling of 111100000001011 in words is "one hundred eleven trillion, one hundred billion, one thousand, eleven".