201143104042 has 8 divisors (see below), whose sum is σ = 301718520036. Its totient is φ = 100570264032.

The previous prime is 201143104013. The next prime is 201143104091. The reversal of 201143104042 is 240401341102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 185942926521 + 15200177521 = 431211^2 + 123289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 435253 + ... + 769240.

Almost surely, 2^201143104042 is an apocalyptic number.

201143104042 is a deficient number, since it is larger than the sum of its proper divisors (100575415994).

201143104042 is a wasteful number, since it uses less digits than its factorization.

201143104042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287992.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201143104042 its reverse (240401341102), we get a palindrome (441544445144).

The spelling of 201143104042 in words is "two hundred one billion, one hundred forty-three million, one hundred four thousand, forty-two".