201122431044 has 48 divisors (see below), whose sum is σ = 475831762560. Its totient is φ = 66109697280.

The previous prime is 201122431009. The next prime is 201122431051. The reversal of 201122431044 is 440134221102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145929 + ... + 650799.

It is an arithmetic number, because the mean of its divisors is an integer number (9913161720).

Almost surely, 2^201122431044 is an apocalyptic number.

It is an amenable number.

201122431044 is an abundant number, since it is smaller than the sum of its proper divisors (274709331516).

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

201122431044 is a wasteful number, since it uses less digits than its factorization.

201122431044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505340 (or 505338 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 201122431044 its reverse (440134221102), we get a palindrome (641256652146).

The spelling of 201122431044 in words is "two hundred one billion, one hundred twenty-two million, four hundred thirty-one thousand, forty-four".