21202200303203 has 8 divisors (see below), whose sum is σ = 21653476676928. Its totient is φ = 20750930834944.

The previous prime is 21202200303197. The next prime is 21202200303217. The reversal of 21202200303203 is 30230300220212.

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 21202200303203 - 2¹⁴ = 21202200286819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202200303253) 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, 4734275 + ... + 8050947.

It is an arithmetic number, because the mean of its divisors is an integer number (2706684584616).

Almost surely, 2^{21202200303203} is an apocalyptic number.

21202200303203 is a deficient number, since it is larger than the sum of its proper divisors (451276373725).

21202200303203 is a wasteful number, since it uses less digits than its factorization.

21202200303203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452733.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21202200303203 its reverse (30230300220212), we get a palindrome (51432500523415).

The spelling of 21202200303203 in words is "twenty-one trillion, two hundred two billion, two hundred million, three hundred three thousand, two hundred three".