11343042204221 has 24 divisors (see below), whose sum is σ = 14381169423264. Its totient is φ = 8866585576800.

The previous prime is 11343042204211. The next prime is 11343042204227. The reversal of 11343042204221 is 12240224034311.

It is not a de Polignac number, because 11343042204221 - 2²² = 11343038009917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343042204227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107218055 + ... + 107323796.

It is an arithmetic number, because the mean of its divisors is an integer number (599215392636).

Almost surely, 2^{11343042204221} is an apocalyptic number.

It is an amenable number.

11343042204221 is a deficient number, since it is larger than the sum of its proper divisors (3038127219043).

11343042204221 is a wasteful number, since it uses less digits than its factorization.

11343042204221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214541961 (or 214541954 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 11343042204221 its reverse (12240224034311), we get a palindrome (23583266238532).

The spelling of 11343042204221 in words is "eleven trillion, three hundred forty-three billion, forty-two million, two hundred four thousand, two hundred twenty-one".