21003113302 has 8 divisors (see below), whose sum is σ = 31505633496. Its totient is φ = 10501235472.

The previous prime is 21003113291. The next prime is 21003113303. The reversal of 21003113302 is 20331130012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21003113302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003113303) 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 3 ways as a sum of consecutive naturals, for example, 68223 + ... + 216010.

It is an arithmetic number, because the mean of its divisors is an integer number (3938204187).

Almost surely, 2^21003113302 is an apocalyptic number.

21003113302 is a deficient number, since it is larger than the sum of its proper divisors (10502520194).

21003113302 is a wasteful number, since it uses less digits than its factorization.

21003113302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321182.

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

Adding to 21003113302 its reverse (20331130012), we get a palindrome (41334243314).

The spelling of 21003113302 in words is "twenty-one billion, three million, one hundred thirteen thousand, three hundred two".