21233013133334 has 12 divisors (see below), whose sum is σ = 33294488459316. Its totient is φ = 10154919324132.

The previous prime is 21233013133331. The next prime is 21233013133349. The reversal of 21233013133334 is 43333131033212.

It is a self number, because there is not a number n which added to its sum of digits gives 21233013133334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233013133331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10034504204 + ... + 10034506319.

It is an arithmetic number, because the mean of its divisors is an integer number (2774540704943).

Almost surely, 2^{21233013133334} is an apocalyptic number.

21233013133334 is a deficient number, since it is larger than the sum of its proper divisors (12061475325982).

21233013133334 is a wasteful number, since it uses less digits than its factorization.

21233013133334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20069010571 (or 20069010548 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 21233013133334 its reverse (43333131033212), we get a palindrome (64566144166546).

The spelling of 21233013133334 in words is "twenty-one trillion, two hundred thirty-three billion, thirteen million, one hundred thirty-three thousand, three hundred thirty-four".