21033223211001 has 8 divisors (see below), whose sum is σ = 28044318978144. Its totient is φ = 14022138125600.

The previous prime is 21033223210973. The next prime is 21033223211047. The reversal of 21033223211001 is 10011232233012.

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

It is a cyclic number.

It is not a de Polignac number, because 21033223211001 - 2²⁹ = 21032686340089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21033223211401) 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, 5462926 + ... + 8479976.

It is an arithmetic number, because the mean of its divisors is an integer number (3505539872268).

Almost surely, 2^{21033223211001} is an apocalyptic number.

It is an amenable number.

21033223211001 is a deficient number, since it is larger than the sum of its proper divisors (7011095767143).

21033223211001 is a wasteful number, since it uses less digits than its factorization.

21033223211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340871.

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

Adding to 21033223211001 its reverse (10011232233012), we get a palindrome (31044455444013).

The spelling of 21033223211001 in words is "twenty-one trillion, thirty-three billion, two hundred twenty-three million, two hundred eleven thousand, one".