11111120233111 has 4 divisors (see below), whose sum is σ = 11116309922424. Its totient is φ = 11105930543800.

The previous prime is 11111120233067. The next prime is 11111120233181. The reversal of 11111120233111 is 11133202111111.

11111120233111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11111120233111 - 2¹⁷ = 11111120102039 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 (11111120233181) 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, 2594841445 + ... + 2594845726.

It is an arithmetic number, because the mean of its divisors is an integer number (2779077480606).

Almost surely, 2^{11111120233111} is an apocalyptic number.

11111120233111 is a deficient number, since it is larger than the sum of its proper divisors (5189689313).

11111120233111 is an equidigital number, since it uses as much as digits as its factorization.

11111120233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189689312.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 11111120233111 its reverse (11133202111111), we get a palindrome (22244322344222).

The spelling of 11111120233111 in words is "eleven trillion, one hundred eleven billion, one hundred twenty million, two hundred thirty-three thousand, one hundred eleven".