11111001226 has 8 divisors (see below), whose sum is σ = 17948540484. Its totient is φ = 5128154400.

The previous prime is 11111001191. The next prime is 11111001227. The reversal of 11111001226 is 62210011111.

It can be written as a sum of positive squares in 2 ways, for example, as 11024790001 + 86211225 = 104999^2 + 9285^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11111001227) 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, 213673075 + ... + 213673126.

Almost surely, 2^11111001226 is an apocalyptic number.

11111001226 is a deficient number, since it is larger than the sum of its proper divisors (6837539258).

11111001226 is a wasteful number, since it uses less digits than its factorization.

11111001226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427346216.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11111001226 its reverse (62210011111), we get a palindrome (73321012337).

The spelling of 11111001226 in words is "eleven billion, one hundred eleven million, one thousand, two hundred twenty-six".