11123033021321 has 8 divisors (see below), whose sum is σ = 11984560521024. Its totient is φ = 10262349746640.

The previous prime is 11123033021297. The next prime is 11123033021339. The reversal of 11123033021321 is 12312033032111.

11123033021321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123033021321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123033020321) 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, 211028885 + ... + 211081586.

It is an arithmetic number, because the mean of its divisors is an integer number (1498070065128).

Almost surely, 2^{11123033021321} is an apocalyptic number.

It is an amenable number.

11123033021321 is a deficient number, since it is larger than the sum of its proper divisors (861527499703).

11123033021321 is a wasteful number, since it uses less digits than its factorization.

11123033021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422112511.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11123033021321 its reverse (12312033032111), we get a palindrome (23435066053432).

The spelling of 11123033021321 in words is "eleven trillion, one hundred twenty-three billion, thirty-three million, twenty-one thousand, three hundred twenty-one".