11112120112011 has 4 divisors (see below), whose sum is σ = 14816160149352. Its totient is φ = 7408080074672.

The previous prime is 11112120111977. The next prime is 11112120112013. The reversal of 11112120112011 is 11021102121111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11112120112011 - 2⁶ = 11112120111947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112120112013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852020018666 + ... + 1852020018671.

It is an arithmetic number, because the mean of its divisors is an integer number (3704040037338).

Almost surely, 2^{11112120112011} is an apocalyptic number.

11112120112011 is a deficient number, since it is larger than the sum of its proper divisors (3704040037341).

11112120112011 is an equidigital number, since it uses as much as digits as its factorization.

11112120112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704040037340.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11112120112011 its reverse (11021102121111), we get a palindrome (22133222233122).

The spelling of 11112120112011 in words is "eleven trillion, one hundred twelve billion, one hundred twenty million, one hundred twelve thousand, eleven".