11112121100011 has 4 divisors (see below), whose sum is σ = 11159812607112. Its totient is φ = 11064429592912.

The previous prime is 11112121100009. The next prime is 11112121100027. The reversal of 11112121100011 is 11000112121111.

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 11112121100011 - 2¹ = 11112121100009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112121099964 and 11112121100000.

It is not an unprimeable number, because it can be changed into a prime (11112121100911) 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, 23845753201 + ... + 23845753666.

It is an arithmetic number, because the mean of its divisors is an integer number (2789953151778).

Almost surely, 2^{11112121100011} is an apocalyptic number.

11112121100011 is a deficient number, since it is larger than the sum of its proper divisors (47691507101).

11112121100011 is an equidigital number, since it uses as much as digits as its factorization.

11112121100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47691507100.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11112121100011 its reverse (11000112121111), we get a palindrome (22112233221122).

The spelling of 11112121100011 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred thousand, eleven".