203020130111 has 4 divisors (see below), whose sum is σ = 203023860000. Its totient is φ = 203016400224.

The previous prime is 203020130101. The next prime is 203020130143. The reversal of 203020130111 is 111031020302.

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 203020130111 - 2¹⁰ = 203020129087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203020130101) 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, 1782071 + ... + 1892568.

It is an arithmetic number, because the mean of its divisors is an integer number (50755965000).

Almost surely, 2^203020130111 is an apocalyptic number.

203020130111 is a deficient number, since it is larger than the sum of its proper divisors (3729889).

203020130111 is an equidigital number, since it uses as much as digits as its factorization.

203020130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729888.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 203020130111 its reverse (111031020302), we get a palindrome (314051150413).

The spelling of 203020130111 in words is "two hundred three billion, twenty million, one hundred thirty thousand, one hundred eleven".