11033240334421 has 4 divisors (see below), whose sum is σ = 11034382383244. Its totient is φ = 11032098285600.

The previous prime is 11033240334409. The next prime is 11033240334517. The reversal of 11033240334421 is 12443304233011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4215162123396 + 6818078211025 = 2053086^2 + 2611145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11033240334421 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 (11033240344421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571009920 + ... + 571029241.

It is an arithmetic number, because the mean of its divisors is an integer number (2758595595811).

Almost surely, 2^{11033240334421} is an apocalyptic number.

It is an amenable number.

11033240334421 is a deficient number, since it is larger than the sum of its proper divisors (1142048823).

11033240334421 is an equidigital number, since it uses as much as digits as its factorization.

11033240334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142048822.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 11033240334421 its reverse (12443304233011), we get a palindrome (23476544567432).

The spelling of 11033240334421 in words is "eleven trillion, thirty-three billion, two hundred forty million, three hundred thirty-four thousand, four hundred twenty-one".