21002110202014 has 8 divisors (see below), whose sum is σ = 31598341030008. Its totient is φ = 10469329858680.

The previous prime is 21002110202011. The next prime is 21002110202033. The reversal of 21002110202014 is 41020201120012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21002110202011) 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, 15862620337 + ... + 15862621660.

It is an arithmetic number, because the mean of its divisors is an integer number (3949792628751).

Almost surely, 2^{21002110202014} is an apocalyptic number.

21002110202014 is a deficient number, since it is larger than the sum of its proper divisors (10596230827994).

21002110202014 is a wasteful number, since it uses less digits than its factorization.

21002110202014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31725242330.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21002110202014 its reverse (41020201120012), we get a palindrome (62022311322026).

The spelling of 21002110202014 in words is "twenty-one trillion, two billion, one hundred ten million, two hundred two thousand, fourteen".