11120020121111 has 16 divisors (see below), whose sum is σ = 12228426862848. Its totient is φ = 10028109268800.

The previous prime is 11120020121107. The next prime is 11120020121167. The reversal of 11120020121111 is 11112102002111.

It is a cyclic number.

It is not a de Polignac number, because 11120020121111 - 2² = 11120020121107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120020121191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5262350 + ... + 7066283.

It is an arithmetic number, because the mean of its divisors is an integer number (764276678928).

Almost surely, 2^{11120020121111} is an apocalyptic number.

11120020121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11120020121111 is a deficient number, since it is larger than the sum of its proper divisors (1108406741737).

11120020121111 is a wasteful number, since it uses less digits than its factorization.

11120020121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329302.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11120020121111 its reverse (11112102002111), we get a palindrome (22232122123222).

The spelling of 11120020121111 in words is "eleven trillion, one hundred twenty billion, twenty million, one hundred twenty-one thousand, one hundred eleven".