111111112011 has 8 divisors (see below), whose sum is σ = 151300237824. Its totient is φ = 72498030440.

The previous prime is 111111111983. The next prime is 111111112097. The reversal of 111111112011 is 110211111111.

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 111111112011 - 2¹³ = 111111103819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111111162011) 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, 394010895 + ... + 394011176.

It is an arithmetic number, because the mean of its divisors is an integer number (18912529728).

Almost surely, 2^111111112011 is an apocalyptic number.

111111112011 is a deficient number, since it is larger than the sum of its proper divisors (40189125813).

111111112011 is an equidigital number, since it uses as much as digits as its factorization.

111111112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788022121.

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

Adding to 111111112011 its reverse (110211111111), we get a palindrome (221322223122).

The spelling of 111111112011 in words is "one hundred eleven billion, one hundred eleven million, one hundred twelve thousand, eleven".