21033222233013 has 24 divisors (see below), whose sum is σ = 30426540056640. Its totient is φ = 14001292520640.

The previous prime is 21033222233011. The next prime is 21033222233047. The reversal of 21033222233013 is 31033222233012.

21033222233013 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 322 + 2 + 2 + 330 + 1 + 3 = 666.

It is not a de Polignac number, because 21033222233013 - 2¹ = 21033222233011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033222233011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16601728 + ... + 17823686.

It is an arithmetic number, because the mean of its divisors is an integer number (1267772502360).

Almost surely, 2^{21033222233013} is an apocalyptic number.

It is an amenable number.

21033222233013 is a deficient number, since it is larger than the sum of its proper divisors (9393317823627).

21033222233013 is a wasteful number, since it uses less digits than its factorization.

21033222233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224809 (or 1224806 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21033222233013 its reverse (31033222233012), we get a palindrome (52066444466025).

Subtracting 21033222233013 from its reverse (31033222233012), we obtain a palindrome (9999999999999).

The spelling of 21033222233013 in words is "twenty-one trillion, thirty-three billion, two hundred twenty-two million, two hundred thirty-three thousand, thirteen".