21122333311233 has 64 divisors (see below), whose sum is σ = 36324524390400. Its totient is φ = 10593894581760.

The previous prime is 21122333311231. The next prime is 21122333311273. The reversal of 21122333311233 is 33211333322112.

It is not a de Polignac number, because 21122333311233 - 2¹ = 21122333311231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21122333311233.

It is not an unprimeable number, because it can be changed into a prime (21122333311231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 340767238 + ... + 340829216.

It is an arithmetic number, because the mean of its divisors is an integer number (567570693600).

Almost surely, 2^{21122333311233} is an apocalyptic number.

It is an amenable number.

21122333311233 is a deficient number, since it is larger than the sum of its proper divisors (15202191079167).

21122333311233 is a wasteful number, since it uses less digits than its factorization.

21122333311233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112902.

The product of its digits is 11664, while the sum is 30.

Adding to 21122333311233 its reverse (33211333322112), we get a palindrome (54333666633345).

The spelling of 21122333311233 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred thirty-three million, three hundred eleven thousand, two hundred thirty-three".