11221445606 has 12 divisors (see below), whose sum is σ = 19580277708. Its totient is φ = 4809190932.

The previous prime is 11221445603. The next prime is 11221445623. The reversal of 11221445606 is 60654412211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221445603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57252176 + ... + 57252371.

It is an arithmetic number, because the mean of its divisors is an integer number (1631689809).

Almost surely, 2^11221445606 is an apocalyptic number.

11221445606 is a deficient number, since it is larger than the sum of its proper divisors (8358832102).

11221445606 is a wasteful number, since it uses less digits than its factorization.

11221445606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114504563 (or 114504556 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 11221445606 its reverse (60654412211), we get a palindrome (71875857817).

The spelling of 11221445606 in words is "eleven billion, two hundred twenty-one million, four hundred forty-five thousand, six hundred six".