111550012226 has 8 divisors (see below), whose sum is σ = 167327314380. Its totient is φ = 55774240768.

The previous prime is 111550012201. The next prime is 111550012247. The reversal of 111550012226 is 622210055111.

It can be written as a sum of positive squares in 2 ways, for example, as 101197153225 + 10352859001 = 318115^2 + 101749^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 111550012195 and 111550012204.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 178751 + ... + 505026.

Almost surely, 2^111550012226 is an apocalyptic number.

111550012226 is a deficient number, since it is larger than the sum of its proper divisors (55777302154).

111550012226 is an equidigital number, since it uses as much as digits as its factorization.

111550012226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765348.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 111550012226 its reverse (622210055111), we get a palindrome (733760067337).

The spelling of 111550012226 in words is "one hundred eleven billion, five hundred fifty million, twelve thousand, two hundred twenty-six".