201022043144 has 32 divisors (see below), whose sum is σ = 408256231320. Its totient is φ = 92243099136.

The previous prime is 201022043129. The next prime is 201022043153. The reversal of 201022043144 is 441340220102.

201022043144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 188475803044 + 12546240100 = 434138^2 + 112010^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5568437 + ... + 5604420.

Almost surely, 2^201022043144 is an apocalyptic number.

It is an amenable number.

201022043144 is an abundant number, since it is smaller than the sum of its proper divisors (207234188176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201022043144 is a wasteful number, since it uses less digits than its factorization.

201022043144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173049 (or 11173045 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 201022043144 its reverse (441340220102), we get a palindrome (642362263246).

The spelling of 201022043144 in words is "two hundred one billion, twenty-two million, forty-three thousand, one hundred forty-four".