11043665246221 has 8 divisors (see below), whose sum is σ = 11239898036000. Its totient is φ = 10847922427440.

The previous prime is 11043665246153. The next prime is 11043665246267. The reversal of 11043665246221 is 12264256634011.

11043665246221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11043665246221 - 2⁹ = 11043665245709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043665246821) 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, 122447271 + ... + 122537428.

It is an arithmetic number, because the mean of its divisors is an integer number (1404987254500).

Almost surely, 2^{11043665246221} is an apocalyptic number.

It is an amenable number.

11043665246221 is a deficient number, since it is larger than the sum of its proper divisors (196232789779).

11043665246221 is an equidigital number, since it uses as much as digits as its factorization.

11043665246221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244985499.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 11043665246221 in words is "eleven trillion, forty-three billion, six hundred sixty-five million, two hundred forty-six thousand, two hundred twenty-one".