11121221141244 has 36 divisors (see below), whose sum is σ = 28133886906216. Its totient is φ = 3704184319008.

The previous prime is 11121221141221. The next prime is 11121221141269. The reversal of 11121221141244 is 44214112212111.

11121221141244 is a `hidden beast` number, since 1 + 1 + 1 + 21 + 221 + 1 + 412 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120344619 + ... + 120436994.

It is an arithmetic number, because the mean of its divisors is an integer number (781496858506).

Almost surely, 2^{11121221141244} is an apocalyptic number.

It is an amenable number.

11121221141244 is an abundant number, since it is smaller than the sum of its proper divisors (17012665764972).

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

11121221141244 is a wasteful number, since it uses less digits than its factorization.

11121221141244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240782906 (or 240782901 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

Adding to 11121221141244 its reverse (44214112212111), we get a palindrome (55335333353355).

The spelling of 11121221141244 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred forty-one thousand, two hundred forty-four".