21233211113133 has 24 divisors (see below), whose sum is σ = 32285986285280. Its totient is φ = 13409796252960.

The previous prime is 21233211113129. The next prime is 21233211113183. The reversal of 21233211113133 is 33131111233212.

21233211113133 is a `hidden beast` number, since 2 + 1 + 2 + 332 + 1 + 1 + 11 + 313 + 3 = 666.

It is not a de Polignac number, because 21233211113133 - 2² = 21233211113129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21233211113097 and 21233211113106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233211113183) 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, 512235 + ... + 6536727.

Almost surely, 2^{21233211113133} is an apocalyptic number.

It is an amenable number.

21233211113133 is a deficient number, since it is larger than the sum of its proper divisors (11052775172147).

21233211113133 is a wasteful number, since it uses less digits than its factorization.

21233211113133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045129 (or 6045126 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 21233211113133 its reverse (33131111233212), we get a palindrome (54364322346345).

The spelling of 21233211113133 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred eleven million, one hundred thirteen thousand, one hundred thirty-three".