21303102010202 has 8 divisors (see below), whose sum is σ = 32002995911412. Its totient is φ = 10635436706400.

The previous prime is 21303102010139. The next prime is 21303102010231. The reversal of 21303102010202 is 20201020130312.

It can be written as a sum of positive squares in 2 ways, for example, as 20865335843881 + 437766166321 = 4567859^2 + 661639^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8057147699 + ... + 8057150342.

Almost surely, 2^{21303102010202} is an apocalyptic number.

21303102010202 is a deficient number, since it is larger than the sum of its proper divisors (10699893901210).

21303102010202 is a wasteful number, since it uses less digits than its factorization.

21303102010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16114298704.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21303102010202 its reverse (20201020130312), we get a palindrome (41504122140514).

The spelling of 21303102010202 in words is "twenty-one trillion, three hundred three billion, one hundred two million, ten thousand, two hundred two".