201134200242 has 16 divisors (see below), whose sum is σ = 413140519872. Its totient is φ = 65232713520.

The previous prime is 201134200229. The next prime is 201134200249. The reversal of 201134200242 is 242002431102.

It is not an unprimeable number, because it can be changed into a prime (201134200249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453004734 + ... + 453005177.

It is an arithmetic number, because the mean of its divisors is an integer number (25821282492).

Almost surely, 2^201134200242 is an apocalyptic number.

201134200242 is an abundant number, since it is smaller than the sum of its proper divisors (212006319630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201134200242 is a wasteful number, since it uses less digits than its factorization.

201134200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906009953.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201134200242 its reverse (242002431102), we get a palindrome (443136631344).

The spelling of 201134200242 in words is "two hundred one billion, one hundred thirty-four million, two hundred thousand, two hundred forty-two".