11244221041421 has 8 divisors (see below), whose sum is σ = 11633452576920. Its totient is φ = 10855089491008.

The previous prime is 11244221041393. The next prime is 11244221041429. The reversal of 11244221041421 is 12414012244211.

It can be written as a sum of positive squares in 4 ways, for example, as 3523541952100 + 7720679089321 = 1877110^2 + 2778611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11244221041421 - 2¹⁸ = 11244220779277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244221041429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24767426 + ... + 25217331.

It is an arithmetic number, because the mean of its divisors is an integer number (1454181572115).

Almost surely, 2^{11244221041421} is an apocalyptic number.

It is an amenable number.

11244221041421 is a deficient number, since it is larger than the sum of its proper divisors (389231535499).

11244221041421 is an equidigital number, since it uses as much as digits as its factorization.

11244221041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49992543.

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 11244221041421 its reverse (12414012244211), we get a palindrome (23658233285632).

The spelling of 11244221041421 in words is "eleven trillion, two hundred forty-four billion, two hundred twenty-one million, forty-one thousand, four hundred twenty-one".