21302010001 has 8 divisors (see below), whose sum is σ = 22452347880. Its totient is φ = 20179391232.

The previous prime is 21302009969. The next prime is 21302010049. The reversal of 21302010001 is 10001020312.

It can be written as a sum of positive squares in 4 ways, for example, as 4680612225 + 16621397776 = 68415^2 + 128924^2 .

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 21302010001 - 2⁵ = 21302009969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21302010001.

It is not an unprimeable number, because it can be changed into a prime (21302010071) 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 7 ways as a sum of consecutive naturals, for example, 6928200 + ... + 6931273.

It is an arithmetic number, because the mean of its divisors is an integer number (2806543485).

Almost surely, 2^21302010001 is an apocalyptic number.

It is an amenable number.

21302010001 is a deficient number, since it is larger than the sum of its proper divisors (1150337879).

21302010001 is a wasteful number, since it uses less digits than its factorization.

21302010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13859555.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 21302010001 its reverse (10001020312), we get a palindrome (31303030313).

The spelling of 21302010001 in words is "twenty-one billion, three hundred two million, ten thousand, one".