11103421 has 8 divisors (see below), whose sum is σ = 12960000. Its totient is φ = 9314448.

The previous prime is 11103409. The next prime is 11103427. The reversal of 11103421 is 12430111.

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

It is a cyclic number.

It is not a de Polignac number, because 11103421 - 2¹¹ = 11101373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103427) 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, 16546 + ... + 17203.

It is an arithmetic number, because the mean of its divisors is an integer number (1620000).

Almost surely, 2^11103421 is an apocalyptic number.

It is an amenable number.

11103421 is a deficient number, since it is larger than the sum of its proper divisors (1856579).

11103421 is an equidigital number, since it uses as much as digits as its factorization.

11103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33803.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11103421 is about 3332.1796170075. The cubic root of 11103421 is about 223.0928246752.

Adding to 11103421 its reverse (12430111), we get a palindrome (23533532).

The spelling of 11103421 in words is "eleven million, one hundred three thousand, four hundred twenty-one".