201021233203 has 6 divisors (see below), whose sum is σ = 233841026436. Its totient is φ = 172303914132.

The previous prime is 201021233197. The next prime is 201021233207. The reversal of 201021233203 is 302332120102.

It is a de Polignac number, because none of the positive numbers 2^k-201021233203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201021233207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2051237025 + ... + 2051237122.

It is an arithmetic number, because the mean of its divisors is an integer number (38973504406).

Almost surely, 2^201021233203 is an apocalyptic number.

201021233203 is a deficient number, since it is larger than the sum of its proper divisors (32819793233).

201021233203 is an equidigital number, since it uses as much as digits as its factorization.

201021233203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102474161 (or 4102474154 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 201021233203 its reverse (302332120102), we get a palindrome (503353353305).

The spelling of 201021233203 in words is "two hundred one billion, twenty-one million, two hundred thirty-three thousand, two hundred three".