21003200133223 has 16 divisors (see below), whose sum is σ = 26200918227456. Its totient is φ = 16356686055840.

The previous prime is 21003200133193. The next prime is 21003200133229. The reversal of 21003200133223 is 32233100230012.

It is a cyclic number.

It is not a de Polignac number, because 21003200133223 - 2⁵ = 21003200133191 is a prime.

It is a super-2 number, since 2×21003200133223² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21003200133194 and 21003200133203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003200133229) 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 15 ways as a sum of consecutive naturals, for example, 78565011 + ... + 78831892.

It is an arithmetic number, because the mean of its divisors is an integer number (1637557389216).

Almost surely, 2^{21003200133223} is an apocalyptic number.

21003200133223 is a deficient number, since it is larger than the sum of its proper divisors (5197718094233).

21003200133223 is a wasteful number, since it uses less digits than its factorization.

21003200133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157398654.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21003200133223 its reverse (32233100230012), we get a palindrome (53236300363235).

The spelling of 21003200133223 in words is "twenty-one trillion, three billion, two hundred million, one hundred thirty-three thousand, two hundred twenty-three".