21306101005302 has 64 divisors (see below), whose sum is σ = 43524247726080. Its totient is φ = 6951651872000.

The previous prime is 21306101005297. The next prime is 21306101005339. The reversal of 21306101005302 is 20350010160312.

It is a super-2 number, since 2×21306101005302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 405719227 + ... + 405771737.

It is an arithmetic number, because the mean of its divisors is an integer number (680066370720).

Almost surely, 2^{21306101005302} is an apocalyptic number.

21306101005302 is an abundant number, since it is smaller than the sum of its proper divisors (22218146720778).

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

21306101005302 is a wasteful number, since it uses less digits than its factorization.

21306101005302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60229.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 21306101005302 its reverse (20350010160312), we get a palindrome (41656111165614).

The spelling of 21306101005302 in words is "twenty-one trillion, three hundred six billion, one hundred one million, five thousand, three hundred two".