201000442121204 has 48 divisors (see below), whose sum is σ = 384342571964736. Its totient is φ = 91217645932800.

The previous prime is 201000442121201. The next prime is 201000442121233. The reversal of 201000442121204 is 402121244000102.

It is a self number, because there is not a number n which added to its sum of digits gives 201000442121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000442121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73553294 + ... + 76237050.

It is an arithmetic number, because the mean of its divisors is an integer number (8007136915932).

Almost surely, 2^{201000442121204} is an apocalyptic number.

It is an amenable number.

201000442121204 is a deficient number, since it is larger than the sum of its proper divisors (183342129843532).

201000442121204 is a wasteful number, since it uses less digits than its factorization.

201000442121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686496 (or 2686494 counting only the distinct ones).

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

Adding to 201000442121204 its reverse (402121244000102), we get a palindrome (603121686121306).

The spelling of 201000442121204 in words is "two hundred one trillion, four hundred forty-two million, one hundred twenty-one thousand, two hundred four".