21004110202 has 8 divisors (see below), whose sum is σ = 32522493312. Its totient is φ = 10163279100.

The previous prime is 21004110199. The next prime is 21004110217. The reversal of 21004110202 is 20201140012.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169387924 + ... + 169388047.

It is an arithmetic number, because the mean of its divisors is an integer number (4065311664).

Almost surely, 2^21004110202 is an apocalyptic number.

21004110202 is a deficient number, since it is larger than the sum of its proper divisors (11518383110).

21004110202 is a wasteful number, since it uses less digits than its factorization.

21004110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338776004.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21004110202 its reverse (20201140012), we get a palindrome (41205250214).

The spelling of 21004110202 in words is "twenty-one billion, four million, one hundred ten thousand, two hundred two".