21360513217301 has 8 divisors (see below), whose sum is σ = 21514349287200. Its totient is φ = 21206679480720.

The previous prime is 21360513217289. The next prime is 21360513217321. The reversal of 21360513217301 is 10371231506312.

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 21360513217301 - 2⁶ = 21360513217237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21360513217321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20534390 + ... + 21549528.

It is an arithmetic number, because the mean of its divisors is an integer number (2689293660900).

Almost surely, 2^{21360513217301} is an apocalyptic number.

It is an amenable number.

21360513217301 is a deficient number, since it is larger than the sum of its proper divisors (153836069899).

21360513217301 is a wasteful number, since it uses less digits than its factorization.

21360513217301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166659.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 21360513217301 in words is "twenty-one trillion, three hundred sixty billion, five hundred thirteen million, two hundred seventeen thousand, three hundred one".