201043321204 has 24 divisors (see below), whose sum is σ = 383870235168. Its totient is φ = 91368980640.

The previous prime is 201043321177. The next prime is 201043321243. The reversal of 201043321204 is 402123340102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72679 + ... + 638254.

It is an arithmetic number, because the mean of its divisors is an integer number (15994593132).

Almost surely, 2^201043321204 is an apocalyptic number.

It is an amenable number.

201043321204 is a deficient number, since it is larger than the sum of its proper divisors (182826913964).

201043321204 is a wasteful number, since it uses less digits than its factorization.

201043321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717375 (or 717373 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 201043321204 its reverse (402123340102), we get a palindrome (603166661306).

The spelling of 201043321204 in words is "two hundred one billion, forty-three million, three hundred twenty-one thousand, two hundred four".