11141423411221 has 4 divisors (see below), whose sum is σ = 11141591799744. Its totient is φ = 11141255022700.

The previous prime is 11141423411203. The next prime is 11141423411281. The reversal of 11141423411221 is 12211432414111.

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-11141423411221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11141423411221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11141423411201) 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, 84094975 + ... + 84227356.

It is an arithmetic number, because the mean of its divisors is an integer number (2785397949936).

Almost surely, 2^{11141423411221} is an apocalyptic number.

It is an amenable number.

11141423411221 is a deficient number, since it is larger than the sum of its proper divisors (168388523).

11141423411221 is an equidigital number, since it uses as much as digits as its factorization.

11141423411221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168388522.

The product of its digits is 1536, while the sum is 28.

Adding to 11141423411221 its reverse (12211432414111), we get a palindrome (23352855825332).

The spelling of 11141423411221 in words is "eleven trillion, one hundred forty-one billion, four hundred twenty-three million, four hundred eleven thousand, two hundred twenty-one".