201041434042 has 4 divisors (see below), whose sum is σ = 301562151066. Its totient is φ = 100520717020.

The previous prime is 201041434039. The next prime is 201041434043. The reversal of 201041434042 is 240434140102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187117670041 + 13923764001 = 432571^2 + 117999^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201041433998 and 201041434016.

It is not an unprimeable number, because it can be changed into a prime (201041434043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50260358509 + ... + 50260358512.

Almost surely, 2^201041434042 is an apocalyptic number.

201041434042 is a deficient number, since it is larger than the sum of its proper divisors (100520717024).

201041434042 is a wasteful number, since it uses less digits than its factorization.

201041434042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100520717023.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201041434042 its reverse (240434140102), we get a palindrome (441475574144).

The spelling of 201041434042 in words is "two hundred one billion, forty-one million, four hundred thirty-four thousand, forty-two".