201044442311 has 4 divisors (see below), whose sum is σ = 202167595800. Its totient is φ = 199921288824.

The previous prime is 201044442301. The next prime is 201044442323. The reversal of 201044442311 is 113244440102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113244440102 = 2 ⋅56622220051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201044442311 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 (201044442301) 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, 561576476 + ... + 561576833.

It is an arithmetic number, because the mean of its divisors is an integer number (50541898950).

Almost surely, 2^201044442311 is an apocalyptic number.

201044442311 is a deficient number, since it is larger than the sum of its proper divisors (1123153489).

201044442311 is a wasteful number, since it uses less digits than its factorization.

201044442311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123153488.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 201044442311 its reverse (113244440102), we get a palindrome (314288882413).

The spelling of 201044442311 in words is "two hundred one billion, forty-four million, four hundred forty-two thousand, three hundred eleven".