21102003329 has 8 divisors (see below), whose sum is σ = 23279024160. Its totient is φ = 18968092000.

The previous prime is 21102003319. The next prime is 21102003331. The reversal of 21102003329 is 92330020112.

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

It is a de Polignac number, because none of the positive numbers 2^k-21102003329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21102003319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10776347 + ... + 10778304.

It is an arithmetic number, because the mean of its divisors is an integer number (2909878020).

Almost surely, 2^21102003329 is an apocalyptic number.

It is an amenable number.

21102003329 is a deficient number, since it is larger than the sum of its proper divisors (2177020831).

21102003329 is a wasteful number, since it uses less digits than its factorization.

21102003329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21554751.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 21102003329 in words is "twenty-one billion, one hundred two million, three thousand, three hundred twenty-nine".