111266222004 has 144 divisors (see below), whose sum is σ = 332846841600. Its totient is φ = 30663940608.

The previous prime is 111266222003. The next prime is 111266222051. The reversal of 111266222004 is 400222662111.

111266222004 is a `hidden beast` number, since 1 + 1 + 12 + 6 + 622 + 20 + 0 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111266222003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8009937 + ... + 8023815.

It is an arithmetic number, because the mean of its divisors is an integer number (2311436400).

Almost surely, 2^111266222004 is an apocalyptic number.

111266222004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111266222004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166423420800).

111266222004 is an abundant number, since it is smaller than the sum of its proper divisors (221580619596).

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

111266222004 is a wasteful number, since it uses less digits than its factorization.

111266222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15022 (or 15017 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 111266222004 its reverse (400222662111), we get a palindrome (511488884115).

The spelling of 111266222004 in words is "one hundred eleven billion, two hundred sixty-six million, two hundred twenty-two thousand, four".