21202102112003 has 8 divisors (see below), whose sum is σ = 21443153846400. Its totient is φ = 20961113174848.

The previous prime is 21202102111979. The next prime is 21202102112041. The reversal of 21202102112003 is 30021120120212.

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 21202102112003 - 2³⁴ = 21184922242819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202102112083) 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, 15020051 + ... + 16370892.

It is an arithmetic number, because the mean of its divisors is an integer number (2680394230800).

Almost surely, 2^{21202102112003} is an apocalyptic number.

21202102112003 is a deficient number, since it is larger than the sum of its proper divisors (241051734397).

21202102112003 is an equidigital number, since it uses as much as digits as its factorization.

21202102112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31398621.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21202102112003 its reverse (30021120120212), we get a palindrome (51223222232215).

The spelling of 21202102112003 in words is "twenty-one trillion, two hundred two billion, one hundred two million, one hundred twelve thousand, three".