21230333001 has 12 divisors (see below), whose sum is σ = 30803555328. Its totient is φ = 14090085144.

The previous prime is 21230332987. The next prime is 21230333039. The reversal of 21230333001 is 10033303212.

It is not a de Polignac number, because 21230333001 - 2⁵ = 21230332969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21230333071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5287065 + ... + 5291078.

It is an arithmetic number, because the mean of its divisors is an integer number (2566962944).

Almost surely, 2^21230333001 is an apocalyptic number.

It is an amenable number.

21230333001 is a deficient number, since it is larger than the sum of its proper divisors (9573222327).

21230333001 is a wasteful number, since it uses less digits than its factorization.

21230333001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10578372 (or 10578369 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 21230333001 its reverse (10033303212), we get a palindrome (31263636213).

The spelling of 21230333001 in words is "twenty-one billion, two hundred thirty million, three hundred thirty-three thousand, one".