11240120041221 has 32 divisors (see below), whose sum is σ = 15518911449600. Its totient is φ = 7227884664000.

The previous prime is 11240120041193. The next prime is 11240120041247. The reversal of 11240120041221 is 12214002104211.

11240120041221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11240120041221 - 2¹⁰ = 11240120040197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240120041021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384249846 + ... + 384279096.

It is an arithmetic number, because the mean of its divisors is an integer number (484965982800).

Almost surely, 2^{11240120041221} is an apocalyptic number.

It is an amenable number.

11240120041221 is a deficient number, since it is larger than the sum of its proper divisors (4278791408379).

11240120041221 is a wasteful number, since it uses less digits than its factorization.

11240120041221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33489.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11240120041221 its reverse (12214002104211), we get a palindrome (23454122145432).

The spelling of 11240120041221 in words is "eleven trillion, two hundred forty billion, one hundred twenty million, forty-one thousand, two hundred twenty-one".