21302303113002 has 64 divisors (see below), whose sum is σ = 46074847887360. Its totient is φ = 6540274035456.

The previous prime is 21302303112973. The next prime is 21302303113067. The reversal of 21302303113002 is 20031130320312.

It is a self number, because there is not a number n which added to its sum of digits gives 21302303113002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52758199 + ... + 53160437.

It is an arithmetic number, because the mean of its divisors is an integer number (719919498240).

Almost surely, 2^{21302303113002} is an apocalyptic number.

21302303113002 is an abundant number, since it is smaller than the sum of its proper divisors (24772544774358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21302303113002 is a wasteful number, since it uses less digits than its factorization.

21302303113002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413355.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21302303113002 its reverse (20031130320312), we get a palindrome (41333433433314).

The spelling of 21302303113002 in words is "twenty-one trillion, three hundred two billion, three hundred three million, one hundred thirteen thousand, two".