11200112421 has 4 divisors (see below), whose sum is σ = 14933483232. Its totient is φ = 7466741612.

The previous prime is 11200112401. The next prime is 11200112447. The reversal of 11200112421 is 12421100211.

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 11200112421 - 2¹⁰ = 11200111397 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11200112421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200112401) 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, 1866685401 + ... + 1866685406.

It is an arithmetic number, because the mean of its divisors is an integer number (3733370808).

Almost surely, 2^11200112421 is an apocalyptic number.

It is an amenable number.

11200112421 is a deficient number, since it is larger than the sum of its proper divisors (3733370811).

11200112421 is an equidigital number, since it uses as much as digits as its factorization.

11200112421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733370810.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11200112421 its reverse (12421100211), we get a palindrome (23621212632).

The spelling of 11200112421 in words is "eleven billion, two hundred million, one hundred twelve thousand, four hundred twenty-one".