21223102133001 has 16 divisors (see below), whose sum is σ = 28720000527104. Its totient is φ = 13937471905104.

The previous prime is 21223102132979. The next prime is 21223102133011. The reversal of 21223102133001 is 10033120132212.

It is not a de Polignac number, because 21223102133001 - 2⁷ = 21223102132873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21223102133011) 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 15 ways as a sum of consecutive naturals, for example, 52679010 + ... + 53080356.

It is an arithmetic number, because the mean of its divisors is an integer number (1795000032944).

Almost surely, 2^{21223102133001} is an apocalyptic number.

It is an amenable number.

21223102133001 is a deficient number, since it is larger than the sum of its proper divisors (7496898394103).

21223102133001 is a wasteful number, since it uses less digits than its factorization.

21223102133001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664500.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21223102133001 its reverse (10033120132212), we get a palindrome (31256222265213).

The spelling of 21223102133001 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred two million, one hundred thirty-three thousand, one".