111111110100011 has 8 divisors (see below), whose sum is σ = 126994061313504. Its totient is φ = 95230642757760.

The previous prime is 111111110099989. The next prime is 111111110100061. The reversal of 111111110100011 is 110001011111111.

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 111111110100011 - 2¹⁰ = 111111110098987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111111110099965 and 111111110100001.

It is not an unprimeable number, because it can be changed into a prime (111111110100061) 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, 620871950 + ... + 621050883.

It is an arithmetic number, because the mean of its divisors is an integer number (15874257664188).

Almost surely, 2^{111111110100011} is an apocalyptic number.

111111110100011 is a deficient number, since it is larger than the sum of its proper divisors (15882951213493).

111111110100011 is a wasteful number, since it uses less digits than its factorization.

111111110100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241935621.

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

Adding to 111111110100011 its reverse (110001011111111), we get a palindrome (221112121211122).

The spelling of 111111110100011 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred ten million, one hundred thousand, eleven".