201021200300203 has 16 divisors (see below), whose sum is σ = 211511206740960. Its totient is φ = 190798323206400.

The previous prime is 201021200300189. The next prime is 201021200300237. The reversal of 201021200300203 is 302003002120102.

It is a cyclic number.

It is not a de Polignac number, because 201021200300203 - 2⁵ = 201021200300171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201021200300003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8169708 + ... + 21651478.

It is an arithmetic number, because the mean of its divisors is an integer number (13219450421310).

Almost surely, 2^{201021200300203} is an apocalyptic number.

201021200300203 is a deficient number, since it is larger than the sum of its proper divisors (10490006440757).

201021200300203 is a wasteful number, since it uses less digits than its factorization.

201021200300203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491678.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201021200300203 its reverse (302003002120102), we get a palindrome (503024202420305).

The spelling of 201021200300203 in words is "two hundred one trillion, twenty-one billion, two hundred million, three hundred thousand, two hundred three".