11222112718 has 8 divisors (see below), whose sum is σ = 16890621048. Its totient is φ = 5591905704.

The previous prime is 11222112701. The next prime is 11222112719. The reversal of 11222112718 is 81721122211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222112719) 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, 9574596 + ... + 9575767.

It is an arithmetic number, because the mean of its divisors is an integer number (2111327631).

Almost surely, 2^11222112718 is an apocalyptic number.

11222112718 is a deficient number, since it is larger than the sum of its proper divisors (5668508330).

11222112718 is a wasteful number, since it uses less digits than its factorization.

11222112718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19150658.

The product of its digits is 896, while the sum is 28.

Adding to 11222112718 its reverse (81721122211), we get a palindrome (92943234929).

The spelling of 11222112718 in words is "eleven billion, two hundred twenty-two million, one hundred twelve thousand, seven hundred eighteen".