21301475516211 has 8 divisors (see below), whose sum is σ = 30983964387264. Its totient is φ = 12909985161320.

The previous prime is 21301475516203. The next prime is 21301475516219. The reversal of 21301475516211 is 11261557410312.

It is an interprime number because it is at equal distance from previous prime (21301475516203) and next prime (21301475516219).

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 21301475516211 - 2³ = 21301475516203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21301475516211.

It is not an unprimeable number, because it can be changed into a prime (21301475516219) 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, 322749629001 + ... + 322749629066.

It is an arithmetic number, because the mean of its divisors is an integer number (3872995548408).

Almost surely, 2^{21301475516211} is an apocalyptic number.

21301475516211 is a deficient number, since it is larger than the sum of its proper divisors (9682488871053).

21301475516211 is a wasteful number, since it uses less digits than its factorization.

21301475516211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645499258081.

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 21301475516211 in words is "twenty-one trillion, three hundred one billion, four hundred seventy-five million, five hundred sixteen thousand, two hundred eleven".