21033013112223 has 64 divisors (see below), whose sum is σ = 34520373888000. Its totient is φ = 11124465039360.

The previous prime is 21033013112201. The next prime is 21033013112311. The reversal of 21033013112223 is 32221131033012.

It is not a de Polignac number, because 21033013112223 - 2¹⁰ = 21033013111199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21033013112193 and 21033013112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033013112723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 726615 + ... + 6526407.

It is an arithmetic number, because the mean of its divisors is an integer number (539380842000).

Almost surely, 2^{21033013112223} is an apocalyptic number.

21033013112223 is a deficient number, since it is larger than the sum of its proper divisors (13487360775777).

21033013112223 is a wasteful number, since it uses less digits than its factorization.

21033013112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800032.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21033013112223 its reverse (32221131033012), we get a palindrome (53254144145235).

The spelling of 21033013112223 in words is "twenty-one trillion, thirty-three billion, thirteen million, one hundred twelve thousand, two hundred twenty-three".