21002333330001 has 8 divisors (see below), whose sum is σ = 29650352936544. Its totient is φ = 13177934638400.

The previous prime is 21002333329987. The next prime is 21002333330047. The reversal of 21002333330001 is 10003333320012.

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 21002333330001 - 2⁴² = 16604286818897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21002333330001.

It is not an unprimeable number, because it can be changed into a prime (21002333380001) 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, 205905228675 + ... + 205905228776.

It is an arithmetic number, because the mean of its divisors is an integer number (3706294117068).

Almost surely, 2^{21002333330001} is an apocalyptic number.

It is an amenable number.

21002333330001 is a deficient number, since it is larger than the sum of its proper divisors (8648019606543).

21002333330001 is a wasteful number, since it uses less digits than its factorization.

21002333330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411810457471.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 21002333330001 its reverse (10003333320012), we get a palindrome (31005666650013).

The spelling of 21002333330001 in words is "twenty-one trillion, two billion, three hundred thirty-three million, three hundred thirty thousand, one".