11221043223204 has 48 divisors (see below), whose sum is σ = 29114885800000. Its totient is φ = 3737353022208.

The previous prime is 11221043223179. The next prime is 11221043223217. The reversal of 11221043223204 is 40232234012211.

11221043223204 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 1 + 0 + 432 + 23 + 204 = 666.

It is a super-2 number, since 2×11221043223204² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41457802 + ... + 41727585.

Almost surely, 2^{11221043223204} is an apocalyptic number.

It is an amenable number.

11221043223204 is an abundant number, since it is smaller than the sum of its proper divisors (17893842576796).

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

11221043223204 is a wasteful number, since it uses less digits than its factorization.

11221043223204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83186649 (or 83186641 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11221043223204 its reverse (40232234012211), we get a palindrome (51453277235415).

The spelling of 11221043223204 in words is "eleven trillion, two hundred twenty-one billion, forty-three million, two hundred twenty-three thousand, two hundred four".