11223011111 has 8 divisors (see below), whose sum is σ = 12088703424. Its totient is φ = 10357659360.

The previous prime is 11223011101. The next prime is 11223011117. The reversal of 11223011111 is 11111032211.

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 11223011111 - 2⁶ = 11223011047 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 (11223011117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14516 + ... + 150521.

It is an arithmetic number, because the mean of its divisors is an integer number (1511087928).

Almost surely, 2^11223011111 is an apocalyptic number.

11223011111 is a deficient number, since it is larger than the sum of its proper divisors (865692313).

11223011111 is a wasteful number, since it uses less digits than its factorization.

11223011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170281.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11223011111 its reverse (11111032211), we get a palindrome (22334043322).

The spelling of 11223011111 in words is "eleven billion, two hundred twenty-three million, eleven thousand, one hundred eleven".