11221043222320 has 40 divisors (see below), whose sum is σ = 26089073679024. Its totient is φ = 4488391794432.

The previous prime is 11221043222309. The next prime is 11221043222381. The reversal of 11221043222320 is 2322234012211.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20743122 + ... + 21277198.

Almost surely, 2^{11221043222320} is an apocalyptic number.

11221043222320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221043222320 is an abundant number, since it is smaller than the sum of its proper divisors (14868030456704).

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

11221043222320 is a wasteful number, since it uses less digits than its factorization.

11221043222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796717 (or 796711 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11221043222320 its reverse (2322234012211), we get a palindrome (13543277234531).

The spelling of 11221043222320 in words is "eleven trillion, two hundred twenty-one billion, forty-three million, two hundred twenty-two thousand, three hundred twenty".