22011221241 has 48 divisors (see below), whose sum is σ = 33130056960. Its totient is φ = 14065349760.

The previous prime is 22011221207. The next prime is 22011221249. The reversal of 22011221241 is 14212211022.

22011221241 is a `hidden beast` number, since 2 + 201 + 1 + 221 + 241 = 666.

It is not a de Polignac number, because 22011221241 - 2¹¹ = 22011219193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011221249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30276420 + ... + 30277146.

It is an arithmetic number, because the mean of its divisors is an integer number (690209520).

Almost surely, 2^22011221241 is an apocalyptic number.

It is an amenable number.

22011221241 is a deficient number, since it is larger than the sum of its proper divisors (11118835719).

22011221241 is a wasteful number, since it uses less digits than its factorization.

22011221241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22011221241 its reverse (14212211022), we get a palindrome (36223432263).

The spelling of 22011221241 in words is "twenty-two billion, eleven million, two hundred twenty-one thousand, two hundred forty-one".