21322230233133 has 32 divisors (see below), whose sum is σ = 29106029272320. Its totient is φ = 13881323681280.

The previous prime is 21322230233077. The next prime is 21322230233147. The reversal of 21322230233133 is 33133203222312.

It is not a de Polignac number, because 21322230233133 - 2¹⁰ = 21322230232109 is a prime.

It is a super-2 number, since 2×21322230233133² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21322230233133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322230233533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9218563 + ... + 11297183.

It is an arithmetic number, because the mean of its divisors is an integer number (909563414760).

Almost surely, 2^{21322230233133} is an apocalyptic number.

It is an amenable number.

21322230233133 is a deficient number, since it is larger than the sum of its proper divisors (7783799039187).

21322230233133 is a wasteful number, since it uses less digits than its factorization.

21322230233133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079189.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 21322230233133 its reverse (33133203222312), we get a palindrome (54455433455445).

The spelling of 21322230233133 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred thirty million, two hundred thirty-three thousand, one hundred thirty-three".