11233220231321 has 16 divisors (see below), whose sum is σ = 12407533871040. Its totient is φ = 10084533721920.

The previous prime is 11233220231273. The next prime is 11233220231323. The reversal of 11233220231321 is 12313202233211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11233220231321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11233220231323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639650 + ... + 4782843.

It is an arithmetic number, because the mean of its divisors is an integer number (775470866940).

Almost surely, 2^{11233220231321} is an apocalyptic number.

11233220231321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11233220231321 is a deficient number, since it is larger than the sum of its proper divisors (1174313639719).

11233220231321 is a wasteful number, since it uses less digits than its factorization.

11233220231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424856.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11233220231321 its reverse (12313202233211), we get a palindrome (23546422464532).

The spelling of 11233220231321 in words is "eleven trillion, two hundred thirty-three billion, two hundred twenty million, two hundred thirty-one thousand, three hundred twenty-one".