11404120042221 has 8 divisors (see below), whose sum is σ = 15316482393024. Its totient is φ = 7547252193120.

The previous prime is 11404120042207. The next prime is 11404120042253. The reversal of 11404120042221 is 12224002140411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11404120042221 - 2⁷ = 11404120042093 is a prime.

It is a super-2 number, since 2×11404120042221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11404120042191 and 11404120042200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404120042321) 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, 13873624945 + ... + 13873625766.

It is an arithmetic number, because the mean of its divisors is an integer number (1914560299128).

Almost surely, 2^{11404120042221} is an apocalyptic number.

It is an amenable number.

11404120042221 is a deficient number, since it is larger than the sum of its proper divisors (3912362350803).

11404120042221 is a wasteful number, since it uses less digits than its factorization.

11404120042221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27747250851.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 11404120042221 its reverse (12224002140411), we get a palindrome (23628122182632).

The spelling of 11404120042221 in words is "eleven trillion, four hundred four billion, one hundred twenty million, forty-two thousand, two hundred twenty-one".