201044204111 has 4 divisors (see below), whose sum is σ = 202578892824. Its totient is φ = 199509515400.

The previous prime is 201044204099. The next prime is 201044204113. The reversal of 201044204111 is 111402440102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111402440102 = 2 ⋅55701220051.

It is a de Polignac number, because none of the positive numbers 2^k-201044204111 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 (201044204113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767344160 + ... + 767344421.

It is an arithmetic number, because the mean of its divisors is an integer number (50644723206).

Almost surely, 2^201044204111 is an apocalyptic number.

201044204111 is a deficient number, since it is larger than the sum of its proper divisors (1534688713).

201044204111 is a wasteful number, since it uses less digits than its factorization.

201044204111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534688712.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201044204111 its reverse (111402440102), we get a palindrome (312446644213).

The spelling of 201044204111 in words is "two hundred one billion, forty-four million, two hundred four thousand, one hundred eleven".