21302113202 has 8 divisors (see below), whose sum is σ = 32983917312. Its totient is φ = 10307474100.

The previous prime is 21302113163. The next prime is 21302113213. The reversal of 21302113202 is 20231120312.

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, 171791174 + ... + 171791297.

It is an arithmetic number, because the mean of its divisors is an integer number (4122989664).

Almost surely, 2^21302113202 is an apocalyptic number.

21302113202 is a deficient number, since it is larger than the sum of its proper divisors (11681804110).

21302113202 is a wasteful number, since it uses less digits than its factorization.

21302113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343582504.

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

Adding to 21302113202 its reverse (20231120312), we get a palindrome (41533233514).

The spelling of 21302113202 in words is "twenty-one billion, three hundred two million, one hundred thirteen thousand, two hundred two".