11104022421 has 12 divisors (see below), whose sum is σ = 16341769548. Its totient is φ = 7263008064.

The previous prime is 11104022417. The next prime is 11104022453. The reversal of 11104022421 is 12422040111.

11104022421 is a `hidden beast` number, since 11 + 10 + 402 + 242 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4450357521 + 6653664900 = 66711^2 + 81570^2 .

It is not a de Polignac number, because 11104022421 - 2² = 11104022417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11104022394 and 11104022403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11104022411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11638960 + ... + 11639913.

It is an arithmetic number, because the mean of its divisors is an integer number (1361814129).

Almost surely, 2^11104022421 is an apocalyptic number.

It is an amenable number.

11104022421 is a deficient number, since it is larger than the sum of its proper divisors (5237747127).

11104022421 is a wasteful number, since it uses less digits than its factorization.

11104022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23278932 (or 23278929 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11104022421 its reverse (12422040111), we get a palindrome (23526062532).

The spelling of 11104022421 in words is "eleven billion, one hundred four million, twenty-two thousand, four hundred twenty-one".