21102210002003 has 8 divisors (see below), whose sum is σ = 22730161082496. Its totient is φ = 19474930944000.

The previous prime is 21102210001979. The next prime is 21102210002017. The reversal of 21102210002003 is 30020001220112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21102210002003 - 2³⁰ = 21101136260179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21102210002023) 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, 167940398 + ... + 168066003.

It is an arithmetic number, because the mean of its divisors is an integer number (2841270135312).

Almost surely, 2^{21102210002003} is an apocalyptic number.

21102210002003 is a deficient number, since it is larger than the sum of its proper divisors (1627951080493).

21102210002003 is a wasteful number, since it uses less digits than its factorization.

21102210002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336011245.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21102210002003 its reverse (30020001220112), we get a palindrome (51122211222115).

The spelling of 21102210002003 in words is "twenty-one trillion, one hundred two billion, two hundred ten million, two thousand, three".