21033132001 has 8 divisors (see below), whose sum is σ = 24040494144. Its totient is φ = 18026427120.

The previous prime is 21033131971. The next prime is 21033132011. The reversal of 21033132001 is 10023133012.

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 21033132001 - 2⁹ = 21033131489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21033132011) 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 7 ways as a sum of consecutive naturals, for example, 93715 + ... + 225496.

It is an arithmetic number, because the mean of its divisors is an integer number (3005061768).

Almost surely, 2^21033132001 is an apocalyptic number.

It is an amenable number.

21033132001 is a deficient number, since it is larger than the sum of its proper divisors (3007362143).

21033132001 is an equidigital number, since it uses as much as digits as its factorization.

21033132001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328631.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21033132001 its reverse (10023133012), we get a palindrome (31056265013).

The spelling of 21033132001 in words is "twenty-one billion, thirty-three million, one hundred thirty-two thousand, one".