21220113230133 has 8 divisors (see below), whose sum is σ = 28297786216128. Its totient is φ = 14144591198784.

The previous prime is 21220113230051. The next prime is 21220113230153. The reversal of 21220113230133 is 33103231102212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21220113230133 - 2⁸ = 21220113229877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21220113230153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537715641 + ... + 537755102.

It is an arithmetic number, because the mean of its divisors is an integer number (3537223277016).

Almost surely, 2^{21220113230133} is an apocalyptic number.

It is an amenable number.

21220113230133 is a deficient number, since it is larger than the sum of its proper divisors (7077672985995).

21220113230133 is a wasteful number, since it uses less digits than its factorization.

21220113230133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075477323.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21220113230133 its reverse (33103231102212), we get a palindrome (54323344332345).

The spelling of 21220113230133 in words is "twenty-one trillion, two hundred twenty billion, one hundred thirteen million, two hundred thirty thousand, one hundred thirty-three".