11033305242421 has 16 divisors (see below), whose sum is σ = 13755914656128. Its totient is φ = 8597314756800.

The previous prime is 11033305242403. The next prime is 11033305242431. The reversal of 11033305242421 is 12424250333011.

It is not a de Polignac number, because 11033305242421 - 2¹⁹ = 11033304718133 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 (11033305242431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11163831 + ... + 12111883.

It is an arithmetic number, because the mean of its divisors is an integer number (859744666008).

Almost surely, 2^{11033305242421} is an apocalyptic number.

11033305242421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11033305242421 is a deficient number, since it is larger than the sum of its proper divisors (2722609413707).

11033305242421 is a wasteful number, since it uses less digits than its factorization.

11033305242421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099212.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 11033305242421 its reverse (12424250333011), we get a palindrome (23457555575432).

The spelling of 11033305242421 in words is "eleven trillion, thirty-three billion, three hundred five million, two hundred forty-two thousand, four hundred twenty-one".