11111112226 has 8 divisors (see below), whose sum is σ = 16867471824. Its totient is φ = 5488621620.

The previous prime is 11111112209. The next prime is 11111112307. The reversal of 11111112226 is 62221111111.

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

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33467040 + ... + 33467371.

It is an arithmetic number, because the mean of its divisors is an integer number (2108433978).

Almost surely, 2^11111112226 is an apocalyptic number.

11111112226 is a deficient number, since it is larger than the sum of its proper divisors (5756359598).

11111112226 is an equidigital number, since it uses as much as digits as its factorization.

11111112226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66934496.

The product of its digits is 48, while the sum is 19.

Adding to 11111112226 its reverse (62221111111), we get a palindrome (73332223337).

The spelling of 11111112226 in words is "eleven billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-six".