21013302202 has 8 divisors (see below), whose sum is σ = 31521611700. Its totient is φ = 10506098304.

The previous prime is 21013302061. The next prime is 21013302209. The reversal of 21013302202 is 20220331012.

It can be written as a sum of positive squares in 2 ways, for example, as 19371350761 + 1641951441 = 139181^2 + 40521^2 .

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

It is not an unprimeable number, because it can be changed into a prime (21013302209) 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, 227127 + ... + 305962.

Almost surely, 2^21013302202 is an apocalyptic number.

21013302202 is a deficient number, since it is larger than the sum of its proper divisors (10508309498).

21013302202 is a wasteful number, since it uses less digits than its factorization.

21013302202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552800.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21013302202 its reverse (20220331012), we get a palindrome (41233633214).

The spelling of 21013302202 in words is "twenty-one billion, thirteen million, three hundred two thousand, two hundred two".