11222211104 has 72 divisors (see below), whose sum is σ = 23959660032. Its totient is φ = 5171761920.

The previous prime is 11222211089. The next prime is 11222211107. The reversal of 11222211104 is 40111222211.

It is not an unprimeable number, because it can be changed into a prime (11222211107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5315009 + ... + 5317119.

It is an arithmetic number, because the mean of its divisors is an integer number (332773056).

Almost surely, 2^11222211104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222211104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11979830016).

11222211104 is an abundant number, since it is smaller than the sum of its proper divisors (12737448928).

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

11222211104 is a wasteful number, since it uses less digits than its factorization.

11222211104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3109 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11222211104 its reverse (40111222211), we get a palindrome (51333433315).

The spelling of 11222211104 in words is "eleven billion, two hundred twenty-two million, two hundred eleven thousand, one hundred four".