11023234443221 has 96 divisors (see below), whose sum is σ = 15311063635200. Its totient is φ = 7928744503680.

The previous prime is 11023234443197. The next prime is 11023234443311. The reversal of 11023234443221 is 12234443232011.

It is a happy number.

It is not a de Polignac number, because 11023234443221 - 2¹⁰ = 11023234442197 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 (11023234443821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77082641 + ... + 77225513.

It is an arithmetic number, because the mean of its divisors is an integer number (159490246200).

Almost surely, 2^{11023234443221} is an apocalyptic number.

11023234443221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11023234443221 is a deficient number, since it is larger than the sum of its proper divisors (4287829191979).

11023234443221 is an equidigital number, since it uses as much as digits as its factorization.

11023234443221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142953 (or 142904 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 11023234443221 its reverse (12234443232011), we get a palindrome (23257677675232).

It can be divided in two parts, 1102 and 3234443221, that added together give a palindrome (3234444323).

The spelling of 11023234443221 in words is "eleven trillion, twenty-three billion, two hundred thirty-four million, four hundred forty-three thousand, two hundred twenty-one".