21302013102 has 8 divisors (see below), whose sum is σ = 42604026216. Its totient is φ = 7100671032.

The previous prime is 21302013101. The next prime is 21302013113. The reversal of 21302013102 is 20131020312.

21302013102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

21302013102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302013101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775167753 + ... + 1775167764.

It is an arithmetic number, because the mean of its divisors is an integer number (5325503277).

Almost surely, 2^21302013102 is an apocalyptic number.

21302013102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21302013102 is a wasteful number, since it uses less digits than its factorization.

21302013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550335522.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21302013102 its reverse (20131020312), we get a palindrome (41433033414).

The spelling of 21302013102 in words is "twenty-one billion, three hundred two million, thirteen thousand, one hundred two".