11121320003321 has 16 divisors (see below), whose sum is σ = 12855921376320. Its totient is φ = 9508231111680.

The previous prime is 11121320003273. The next prime is 11121320003333. The reversal of 11121320003321 is 12330002312111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11121320003321 - 2⁶ = 11121320003257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11121320003293 and 11121320003302.

It is not an unprimeable number, because it can be changed into a prime (11121320008321) 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, 22684331 + ... + 23169408.

It is an arithmetic number, because the mean of its divisors is an integer number (803495086020).

Almost surely, 2^{11121320003321} is an apocalyptic number.

11121320003321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11121320003321 is a deficient number, since it is larger than the sum of its proper divisors (1734601372999).

11121320003321 is a wasteful number, since it uses less digits than its factorization.

11121320003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45855064.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11121320003321 its reverse (12330002312111), we get a palindrome (23451322315432).

The spelling of 11121320003321 in words is "eleven trillion, one hundred twenty-one billion, three hundred twenty million, three thousand, three hundred twenty-one".