11223111113111 has 8 divisors (see below), whose sum is σ = 11335847914944. Its totient is φ = 11110406015200.

The previous prime is 11223111113087. The next prime is 11223111113117. The reversal of 11223111113111 is 11131111132211.

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 11223111113111 - 2³⁸ = 10948233206167 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 (11223111113117) 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, 7214111 + ... + 8630736.

It is an arithmetic number, because the mean of its divisors is an integer number (1416980989368).

Almost surely, 2^{11223111113111} is an apocalyptic number.

11223111113111 is a deficient number, since it is larger than the sum of its proper divisors (112736801833).

11223111113111 is a wasteful number, since it uses less digits than its factorization.

11223111113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15851961.

The product of its digits is 36, while the sum is 20.

Adding to 11223111113111 its reverse (11131111132211), we get a palindrome (22354222245322).

The spelling of 11223111113111 in words is "eleven trillion, two hundred twenty-three billion, one hundred eleven million, one hundred thirteen thousand, one hundred eleven".