111111002226 has 48 divisors (see below), whose sum is σ = 280746960000. Its totient is φ = 31745998872.

The previous prime is 111111002213. The next prime is 111111002227. The reversal of 111111002226 is 622200111111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111111002199 and 111111002208.

It is not an unprimeable number, because it can be changed into a prime (111111002227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8992126 + ... + 9004473.

It is an arithmetic number, because the mean of its divisors is an integer number (5848895000).

Almost surely, 2^111111002226 is an apocalyptic number.

111111002226 is an abundant number, since it is smaller than the sum of its proper divisors (169635957774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111111002226 is a wasteful number, since it uses less digits than its factorization.

111111002226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996628 (or 17996611 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111111002226 its reverse (622200111111), we get a palindrome (733311113337).

The spelling of 111111002226 in words is "one hundred eleven billion, one hundred eleven million, two thousand, two hundred twenty-six".