21003301323331 has 8 divisors (see below), whose sum is σ = 21086850395520. Its totient is φ = 20919807826368.

The previous prime is 21003301323317. The next prime is 21003301323391. The reversal of 21003301323331 is 13332310330012.

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 21003301323331 - 2²¹ = 21003299226179 is a prime.

It is a super-2 number, since 2×21003301323331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21003301323296 and 21003301323305.

It is not an unprimeable number, because it can be changed into a prime (21003301323391) 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, 13136371 + ... + 14648236.

It is an arithmetic number, because the mean of its divisors is an integer number (2635856299440).

Almost surely, 2^{21003301323331} is an apocalyptic number.

21003301323331 is a deficient number, since it is larger than the sum of its proper divisors (83549072189).

21003301323331 is a wasteful number, since it uses less digits than its factorization.

21003301323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27787613.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21003301323331 its reverse (13332310330012), we get a palindrome (34335611653343).

The spelling of 21003301323331 in words is "twenty-one trillion, three billion, three hundred one million, three hundred twenty-three thousand, three hundred thirty-one".