203242011101 has 4 divisors (see below), whose sum is σ = 203243121312. Its totient is φ = 203240900892.

The previous prime is 203242011097. The next prime is 203242011367. The reversal of 203242011101 is 101110242302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 101110242302 = 2 ⋅50555121151.

It is a cyclic number.

It is not a de Polignac number, because 203242011101 - 2² = 203242011097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203242011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203242011901) 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, 208271 + ... + 670716.

It is an arithmetic number, because the mean of its divisors is an integer number (50810780328).

Almost surely, 2^203242011101 is an apocalyptic number.

It is an amenable number.

203242011101 is a deficient number, since it is larger than the sum of its proper divisors (1110211).

203242011101 is an equidigital number, since it uses as much as digits as its factorization.

203242011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110210.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 203242011101 its reverse (101110242302), we get a palindrome (304352253403).

The spelling of 203242011101 in words is "two hundred three billion, two hundred forty-two million, eleven thousand, one hundred one".