21313301220010 has 16 divisors (see below), whose sum is σ = 40383097048800. Its totient is φ = 8076619409616.

The previous prime is 21313301219999. The next prime is 21313301220059. The reversal of 21313301220010 is 1002210331312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 21313301220010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56087634600 + ... + 56087634979.

It is an arithmetic number, because the mean of its divisors is an integer number (2523943565550).

Almost surely, 2^{21313301220010} is an apocalyptic number.

21313301220010 is a deficient number, since it is larger than the sum of its proper divisors (19069795828790).

21313301220010 is a wasteful number, since it uses less digits than its factorization.

21313301220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112175269605.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21313301220010 its reverse (1002210331312), we get a palindrome (22315511551322).

The spelling of 21313301220010 in words is "twenty-one trillion, three hundred thirteen billion, three hundred one million, two hundred twenty thousand, ten".