20301121103203 has 4 divisors (see below), whose sum is σ = 20301199757280. Its totient is φ = 20301042449128.

The previous prime is 20301121103191. The next prime is 20301121103239. The reversal of 20301121103203 is 30230112110302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20301121103203 - 2¹³ = 20301121095011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301121103293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38938600 + ... + 39456517.

It is an arithmetic number, because the mean of its divisors is an integer number (5075299939320).

Almost surely, 2^{20301121103203} is an apocalyptic number.

20301121103203 is a deficient number, since it is larger than the sum of its proper divisors (78654077).

20301121103203 is an equidigital number, since it uses as much as digits as its factorization.

20301121103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78654076.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20301121103203 its reverse (30230112110302), we get a palindrome (50531233213505).

The spelling of 20301121103203 in words is "twenty trillion, three hundred one billion, one hundred twenty-one million, one hundred three thousand, two hundred three".