11200411111421 has 4 divisors (see below), whose sum is σ = 12800469841632. Its totient is φ = 9600352381212.

The previous prime is 11200411111411. The next prime is 11200411111481. The reversal of 11200411111421 is 12411111400211.

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 not a de Polignac number, because 11200411111421 - 2³⁸ = 10925533204477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11200411111393 and 11200411111402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200411111411) 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, 800029365095 + ... + 800029365108.

It is an arithmetic number, because the mean of its divisors is an integer number (3200117460408).

Almost surely, 2^{11200411111421} is an apocalyptic number.

It is an amenable number.

11200411111421 is a deficient number, since it is larger than the sum of its proper divisors (1600058730211).

11200411111421 is an equidigital number, since it uses as much as digits as its factorization.

11200411111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600058730210.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 11200411111421 its reverse (12411111400211), we get a palindrome (23611522511632).

The spelling of 11200411111421 in words is "eleven trillion, two hundred billion, four hundred eleven million, one hundred eleven thousand, four hundred twenty-one".