203120100201 has 32 divisors (see below), whose sum is σ = 275862672000. Its totient is φ = 132921996800.

The previous prime is 203120100199. The next prime is 203120100221. The reversal of 203120100201 is 102001021302.

It is a cyclic number.

It is not a de Polignac number, because 203120100201 - 2¹ = 203120100199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203120100221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25684690 + ... + 25692596.

It is an arithmetic number, because the mean of its divisors is an integer number (8620708500).

Almost surely, 2^203120100201 is an apocalyptic number.

It is an amenable number.

203120100201 is a deficient number, since it is larger than the sum of its proper divisors (72742571799).

203120100201 is a wasteful number, since it uses less digits than its factorization.

203120100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8729.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 203120100201 its reverse (102001021302), we get a palindrome (305121121503).

The spelling of 203120100201 in words is "two hundred three billion, one hundred twenty million, one hundred thousand, two hundred one".