11221340404 has 6 divisors (see below), whose sum is σ = 19637345714. Its totient is φ = 5610670200.

The previous prime is 11221340369. The next prime is 11221340419. The reversal of 11221340404 is 40404312211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10858056804 + 363283600 = 104202^2 + 19060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402667547 + ... + 1402667554.

Almost surely, 2^11221340404 is an apocalyptic number.

It is an amenable number.

11221340404 is a deficient number, since it is larger than the sum of its proper divisors (8416005310).

11221340404 is a wasteful number, since it uses less digits than its factorization.

11221340404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805335105 (or 2805335103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11221340404 its reverse (40404312211), we get a palindrome (51625652615).

The spelling of 11221340404 in words is "eleven billion, two hundred twenty-one million, three hundred forty thousand, four hundred four".