203111044001 has 4 divisors (see below), whose sum is σ = 203113166100. Its totient is φ = 203108921904.

The previous prime is 203111043979. The next prime is 203111044009. The reversal of 203111044001 is 100440111302.

It is a happy number.

203111044001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 165929949025 + 37181094976 = 407345^2 + 192824^2 .

It is a cyclic number.

It is not a de Polignac number, because 203111044001 - 2³⁰ = 202037302177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203111044009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910346 + ... + 1111283.

It is an arithmetic number, because the mean of its divisors is an integer number (50778291525).

Almost surely, 2^203111044001 is an apocalyptic number.

It is an amenable number.

203111044001 is a deficient number, since it is larger than the sum of its proper divisors (2122099).

203111044001 is a wasteful number, since it uses less digits than its factorization.

203111044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122098.

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

Adding to 203111044001 its reverse (100440111302), we get a palindrome (303551155303).

The spelling of 203111044001 in words is "two hundred three billion, one hundred eleven million, forty-four thousand, one".