201044121044 has 12 divisors (see below), whose sum is σ = 378890843604. Its totient is φ = 92789594304.

The previous prime is 201044120987. The next prime is 201044121053. The reversal of 201044121044 is 440121440102.

It can be written as a sum of positive squares in 2 ways, for example, as 11350771600 + 189693349444 = 106540^2 + 435538^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1933116497 + ... + 1933116600.

It is an arithmetic number, because the mean of its divisors is an integer number (31574236967).

Almost surely, 2^201044121044 is an apocalyptic number.

It is an amenable number.

201044121044 is a deficient number, since it is larger than the sum of its proper divisors (177846722560).

201044121044 is a wasteful number, since it uses less digits than its factorization.

201044121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866233114 (or 3866233112 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 201044121044 its reverse (440121440102), we get a palindrome (641165561146).

The spelling of 201044121044 in words is "two hundred one billion, forty-four million, one hundred twenty-one thousand, forty-four".