21315601301 has 8 divisors (see below), whose sum is σ = 21641653344. Its totient is φ = 20989782000.

The previous prime is 21315601267. The next prime is 21315601303. The reversal of 21315601301 is 10310651312.

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 21315601301 - 2²⁶ = 21248492437 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 (21315601303) 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, 131051 + ... + 244551.

It is an arithmetic number, because the mean of its divisors is an integer number (2705206668).

Almost surely, 2^21315601301 is an apocalyptic number.

It is an amenable number.

21315601301 is a deficient number, since it is larger than the sum of its proper divisors (326052043).

21315601301 is a wasteful number, since it uses less digits than its factorization.

21315601301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116371.

The product of its (nonzero) digits is 540, while the sum is 23.

The spelling of 21315601301 in words is "twenty-one billion, three hundred fifteen million, six hundred one thousand, three hundred one".