11043312414221 has 4 divisors (see below), whose sum is σ = 11051866491744. Its totient is φ = 11034758336700.

The previous prime is 11043312414181. The next prime is 11043312414247. The reversal of 11043312414221 is 12241421334011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11043312414221 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 (11043312414271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4277036825 + ... + 4277039406.

It is an arithmetic number, because the mean of its divisors is an integer number (2762966622936).

Almost surely, 2^{11043312414221} is an apocalyptic number.

It is an amenable number.

11043312414221 is a deficient number, since it is larger than the sum of its proper divisors (8554077523).

11043312414221 is an equidigital number, since it uses as much as digits as its factorization.

11043312414221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554077522.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 11043312414221 its reverse (12241421334011), we get a palindrome (23284733748232).

The spelling of 11043312414221 in words is "eleven trillion, forty-three billion, three hundred twelve million, four hundred fourteen thousand, two hundred twenty-one".