21021014301302 has 16 divisors (see below), whose sum is σ = 31976012037024. Its totient is φ = 10362347184000.

The previous prime is 21021014301281. The next prime is 21021014301319. The reversal of 21021014301302 is 20310341012012.

It is a super-2 number, since 2×21021014301302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11567102 + ... + 13260462.

It is an arithmetic number, because the mean of its divisors is an integer number (1998500752314).

Almost surely, 2^{21021014301302} is an apocalyptic number.

21021014301302 is a deficient number, since it is larger than the sum of its proper divisors (10954997735722).

21021014301302 is a wasteful number, since it uses less digits than its factorization.

21021014301302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780855.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21021014301302 its reverse (20310341012012), we get a palindrome (41331355313314).

The spelling of 21021014301302 in words is "twenty-one trillion, twenty-one billion, fourteen million, three hundred one thousand, three hundred two".