11222211044 has 24 divisors (see below), whose sum is σ = 21428947008. Its totient is φ = 5099879840.

The previous prime is 11222211001. The next prime is 11222211047. The reversal of 11222211044 is 44011222211.

It is not an unprimeable number, because it can be changed into a prime (11222211047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193169 + ... + 244455.

It is an arithmetic number, because the mean of its divisors is an integer number (892872792).

Almost surely, 2^11222211044 is an apocalyptic number.

It is an amenable number.

11222211044 is a deficient number, since it is larger than the sum of its proper divisors (10206735964).

11222211044 is a wasteful number, since it uses less digits than its factorization.

11222211044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56275 (or 56273 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11222211044 its reverse (44011222211), we get a palindrome (55233433255).

The spelling of 11222211044 in words is "eleven billion, two hundred twenty-two million, two hundred eleven thousand, forty-four".