21242312112033 has 12 divisors (see below), whose sum is σ = 30683735891328. Its totient is φ = 14161358558520.

The previous prime is 21242312112013. The next prime is 21242312112199. The reversal of 21242312112033 is 33021121324212.

21242312112033 is a `hidden beast` number, since 2 + 1 + 2 + 423 + 1 + 211 + 20 + 3 + 3 = 666.

It is not a de Polignac number, because 21242312112033 - 2¹² = 21242312107937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21242312111988 and 21242312112006.

It is not an unprimeable number, because it can be changed into a prime (21242312112013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14499813 + ... + 15897458.

It is an arithmetic number, because the mean of its divisors is an integer number (2556977990944).

Almost surely, 2^{21242312112033} is an apocalyptic number.

It is an amenable number.

21242312112033 is a deficient number, since it is larger than the sum of its proper divisors (9441423779295).

21242312112033 is a wasteful number, since it uses less digits than its factorization.

21242312112033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30474924 (or 30474921 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 21242312112033 its reverse (33021121324212), we get a palindrome (54263433436245).

The spelling of 21242312112033 in words is "twenty-one trillion, two hundred forty-two billion, three hundred twelve million, one hundred twelve thousand, thirty-three".