21020102313301 has 12 divisors (see below), whose sum is σ = 26013042931872. Its totient is φ = 16631289741456.

The previous prime is 21020102313289. The next prime is 21020102313323. The reversal of 21020102313301 is 10331320102012.

It is not a de Polignac number, because 21020102313301 - 2¹³ = 21020102305109 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 (21020102313361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8884234791 + ... + 8884237156.

It is an arithmetic number, because the mean of its divisors is an integer number (2167753577656).

Almost surely, 2^{21020102313301} is an apocalyptic number.

It is an amenable number.

21020102313301 is a deficient number, since it is larger than the sum of its proper divisors (4992940618571).

21020102313301 is a wasteful number, since it uses less digits than its factorization.

21020102313301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17768471980 (or 17768471967 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21020102313301 its reverse (10331320102012), we get a palindrome (31351422415313).

The spelling of 21020102313301 in words is "twenty-one trillion, twenty billion, one hundred two million, three hundred thirteen thousand, three hundred one".