201042021004 has 24 divisors (see below), whose sum is σ = 396188384256. Its totient is φ = 88434906000.

The previous prime is 201042020983. The next prime is 201042021043. The reversal of 201042021004 is 400120240102.

201042021004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 73694392 + ... + 73697119.

It is an arithmetic number, because the mean of its divisors is an integer number (16507849344).

Almost surely, 2^201042021004 is an apocalyptic number.

It is an amenable number.

201042021004 is a deficient number, since it is larger than the sum of its proper divisors (195146363252).

201042021004 is a wasteful number, since it uses less digits than its factorization.

201042021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147391557 (or 147391555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201042021004 its reverse (400120240102), we get a palindrome (601162261106).

The spelling of 201042021004 in words is "two hundred one billion, forty-two million, twenty-one thousand, four".